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c:T3e9c,<p><span style="font-weight: 400;">If you are looking for some best Next.js interview questions, then you are in the right place. We have compiled a list of the best Next.js interview Questions, that will surely help you crack the interview. Read on and All the Best!</span></p>
<table style="border-collapse: collapse; width: 100%; height: 120px;" border="1px" cellpadding="10">
<tbody>
<tr>
<td style="width: 98.3496%;">
<h3>Most frequently asked Next.js Interview Questions</h3>
<ul>
<li><span style="color: #236fa1;"><a style="color: #236fa1;" href="#features-of-next-js">Mention a few features of Next.js</a></span></li>
<li><span style="color: #236fa1;"><a style="color: #236fa1;" href="#why-next-js">Why should anyone choose Next.js?</a></span></li>
<li><span style="color: #236fa1;"><a style="color: #236fa1;" href="#amp-vertification-in-next-js">How can AMP be verified in Next.js?</a></span></li>
<li><span style="color: #236fa1;"><a style="color: #236fa1;" href="#next-js-data-fetching">What is the suggested approach for Next.js data fetching?</a></span></li>
<li><span style="color: #236fa1;"><a style="color: #236fa1;" href="#advantages-of-next-js">List a few advantages of Next.js</a></span></li>
<li><span style="color: #236fa1;"><a style="color: #236fa1;" href="#is-static-cdn-supported-by-next-js">Is static CDN supported by Next.js?</a></span></li>
<li><span style="color: #236fa1;"><a style="color: #236fa1;" href="#is-js-difficult-than-react">Is JS more difficult than React?</a></span></li>
<li><span style="color: #236fa1;"><a style="color: #236fa1;" href="#next-js-without-react">Is it possible to learn Next.js without React?</a></span></li>
</ul>
</td>
</tr>
</tbody>
</table>
<h2><span style="font-size: 24px; color: #236fa1;">Next.js Interview Questions</span></h2>
<div class="jss41">
<h3><span style="color: #e67e23; font-size: 18px;">Q1) What exactly is Next.js?</span></h3>
</div>
<p><strong>Ans: </strong><span style="font-weight: 400;">An open-source, compact React.js framework called Next.js makes it easier for programmers to create static and server-side rendering web applications. Zeit came up with it. We can quickly create server-rendered React apps thanks to the Next.js framework, which is built on React, Webpack, and Babel. Your next feature-rich web application can be built with just npm run dev start and without any webpack settings.</span></p>
<h3><span style="color: #e67e23; font-size: 18px;"><a id="features-of-next-js"></a>Q2) Mention a few features of Next.js</span></h3>
<p><strong>Ans:&nbsp;</strong></p>
<ul>
<li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">JS offers simple server rendering by default.</span></li>
<li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Static exporting is supported in JS.</span></li>
<li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">It offers a Webpack-based development environment that facilitates the use of hot module replacement (HMR)</span></li>
<li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Automatic code-splitting is supported for quicker page loading.</span></li>
<li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">It supports straightforward file system-based routing as well as client-side routing (page-based).</span></li>
<li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">It offers total control over Webpack and Babel.</span></li>
<li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">It offers a more efficient and quick development compilation.</span></li>
<li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">You can use Express or another Node.js HTTP server to implement it.</span></li>
<li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">With your own Babel and Webpack configurations, you may quickly change it.</span></li>
<li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">It allows for instant code reloading.</span></li>
</ul>
<h3><span style="color: #e67e23; font-size: 18px;">Q3) What categories of websites utilize Next.js the most?</span></h3>
<p><strong>Ans:</strong><span style="font-weight: 400;"> The most common uses for Next.js, a <span style="color: #236fa1;"><a style="color: #236fa1;" title="React JS Interview Questions" href="https://tekslate.com/reactjs-interview-questions" target="_blank">React JS</a></span> framework, are to create the following apps and websites:</span></p>
<ul>
<li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Static Websites</span></li>
<li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">PC-based websites</span></li>
<li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">SEO-friendly websites</span></li>
<li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Server Rendered Apps</span></li>
</ul>
<table style="border-collapse: collapse; width: 100%; height: 60px; background-color: #ecf0f1; border-color: #CED4D9; border-style: solid;" border="1px" cellpadding="5">
<tbody>
<tr style="height: 38px;">
<td style="width: 98.2759%; height: 38px; text-align: center;"><em>Want to acquire industry skills and gain complete knowledge of React JS? Enroll in Instructor-Led live <span style="color: #236fa1;"><strong><a style="color: #236fa1;" href="https://tekslate.com/reactjs-training" target="_blank">ReactJS Training</a></strong></span> to become Job Ready!</em></td>
</tr>
</tbody>
</table>
<h3><span style="color: #e67e23; font-size: 18px;"><a id="why-next-js"></a>Q4) Why should anyone choose Next.js?</span></h3>
<p><strong>Ans:</strong></p>
<ul>
<li><em><strong>&nbsp;</strong></em><span style="font-weight: 400;"><em><strong>Zero Setup:</strong></em>&nbsp;Routing based on filesystems, hot code reloading, and universal rendering are all automatic.</span></li>
<li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;"><em><strong>Completely customizable:</strong></em> Total command over Webpack and Babel. Server, routing, and next-plugin customization options.</span></li>
<li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;"><em><strong>Production-Ready:</strong></em> Reduced build size optimization, quicker dev compilation, and other enhancements.</span></li>
</ul>
<h3><span style="color: #e67e23; font-size: 18px;">Q5) Does Create React App do the same function as Next.js?</span></h3>
<p><span style="font-weight: 400;"><strong>Ans: </strong>In essence, Create-React-App is React with a built-in build system. So it serves as a useful boilerplate. Just to run React, we don't need to worry about setting up Webpack, Babel, or other dependent packages. Other than that, we must build packages on top of Create-React-App if we need additional functions like routing, server-side rendering, and so forth.</span></p>
<p><span style="font-weight: 400;">A whole stack React framework is Next.js. It is pre-loaded with useful features including effective routing, build system, API routing, server-side rendering, and many others that perform well in a production context.</span></p>
<h3><span style="color: #e67e23; font-size: 18px;"><a id="amp-vertification-in-next-js"></a>Q6) How can AMP be verified in Next.js?</span></h3>
<p><span style="font-weight: 400;"><strong>Ans: </strong>'amp HTML-validator' is used during development to validate your AMP pages. When Next.js is launched, a terminal will show any warnings and fatal errors. The "next export" process validates AMP pages as well, and if improper AMP validation is present, errors will be reported in the terminal and the "next export" will fail.</span></p>
<h3><span style="color: #e67e23; font-size: 18px;">Q7) How may AMP be enabled in Next.js?</span></h3>
<p><span style="font-weight: 400;"><strong>Ans: </strong>There are two methods for turning on AMP in Next.js.</span></p>
<ul>
<li><em><strong>AMP &ndash; First Pages:</strong></em><span style="font-weight: 400;"> Both the website's regular visitors and search engine visitors are given access to these. To implement AMP-first pages, the following syntax must be used.</span></li>
<li><em><strong>Hybrid AMP Pages:</strong></em><span style="font-weight: 400;"> In order for search engines to quickly display the AMP version of the page in various mobile search results, hybrid AMP pages let users have an AMP version of a standard page alongside it.</span></li>
</ul>
<h3><span style="color: #e67e23; font-size: 18px;"><a id="next-js-data-fetching"></a>Q8) What is the suggested approach for Next.js data fetching?</span></h3>
<p><span style="font-weight: 400;"><strong>Ans: </strong>There are many ways to fetch data in Next.js but the framework itself suggests using the async function getInitialProps to fetch data from any location. The context object that getInitialProps obtains when we use it to retrieve data has the features shown below:</span></p>
<ul>
<li><em><strong>Pathname:</strong></em><span style="font-weight: 400;"> This identifies the URL's path portion.</span></li>
<li style="font-weight: 400;" aria-level="1"><em><span style="font-weight: 400;"><strong>Query:</strong></span><span style="font-weight: 400;"> </span></em><span style="font-weight: 400;">It is used to define the URL query string portion of an object-parsed URL.</span></li>
<li style="font-weight: 400;" aria-level="1"><em><strong>asPath:</strong></em><span style="font-weight: 400;"> This defines the string that represents the actual path that the browser displays, along with the query.</span></li>
<li style="font-weight: 400;" aria-level="1"><em><strong>Req:</strong></em><span style="font-weight: 400;"> The HTTP request object (server only) is specified using the word "req.&rdquo;</span></li>
<li style="font-weight: 400;" aria-level="1"><em><strong>Res:</strong></em><span style="font-weight: 400;"> The HTTP response object (server only) is specified by the prefix res.</span></li>
<li style="font-weight: 400;" aria-level="1"><em><strong>Err:</strong></em><span style="font-weight: 400;"> If a rendering error occurs, the word "err" is used to specify the error object.</span></li>
</ul>
<h3><span style="color: #e67e23; font-size: 18px;">Q9) What does Next.js's code splitting mean, in your opinion?</span></h3>
<p><span style="font-weight: 400;"><strong>Ans: </strong>In general, code splitting is one of Webpack's most alluring features. This feature makes it easier for us to divide our code into different bundles that can only be loaded in parallel or on demand. This primarily serves to create smaller bundles and makes it easier to manage resource load prioritization, both of which have a significant impact on load time.</span></p>
<p><span style="font-weight: 400;">Code splitting primarily uses three methods:</span></p>
<ul>
<li><em><strong>Entry Points:</strong></em><span style="font-weight: 400;"> Manual entry configuration is used to separate code.</span></li>
<li style="font-weight: 400;" aria-level="1"><em><strong>Eliminate Duplication:</strong></em><span style="font-weight: 400;"> Deduplication and chunk splitting are done using Entry dependencies or SplitChunksPlugin.</span></li>
<li style="font-weight: 400;" aria-level="1"><em><strong>Adaptive Imports:</strong></em><span style="font-weight: 400;"> Using inline function calls within modules, it divides the code using dynamic imports.</span></li>
</ul>
<p><span style="font-weight: 400;">It is primarily used to allow unneeded code to load on pages that can never do so.</span></p>
<h3><span style="color: #e67e23; font-size: 18px;"><a id="advantages-of-next-js"></a>Q10) List a few advantages of Next.js</span></h3>
<p><span style="font-weight: 400;"><strong>Ans: </strong></span></p>
<ul>
<li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Simple project creation, modification, and needed package discovery.</span></li>
<li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Optimum application performance because automatic code-splitting is available.</span></li>
<li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">With the use of prefetching, Next.js enables efficient code bundles to be loaded slowly in the background.</span></li>
<li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">It enables SSR, or server-side rendering, in application code, providing SEO-friendly flexibility, an initial render to application view, and doing away with the need to download code.</span></li>
<li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Hot-Module Replacement that works with robust error reporting.</span></li>
</ul>
<h3><span style="color: #e67e23; font-size: 18px;">Q11) What does Next.js's Styled JSX mean?</span></h3>
<p><span style="font-weight: 400;"><strong>Ans: </strong>It is a library for writing scoped and encapsulated CSS that is used by developers to style Next.js components. Developers can add, remove, and modify styles without being concerned about unintended consequences thanks to Styled JSX, which prevents styles from being introduced to one component from affecting other components.</span></p>
<h3><span style="color: #e67e23; font-size: 18px;">Q12) What are the advantages of utilizing Serverless mode, and how do you utilize it?</span></h3>
<p><span style="font-weight: 400;"><strong>Ans: </strong>By dividing an application into smaller, more manageable pieces known as lambdas, Serverless mode implementation greatly enhances a program's scalability and readability. A "pay for what you use" philosophy, also encourages affordability.</span></p>
<p><span style="font-weight: 400;">Next.js's Serverless mode must be enabled by adding the "serverless" build target to next.config.js.</span></p>
<h3><span style="color: #e67e23; font-size: 18px;"><a id="is-static-cdn-supported-by-next-js"></a>Q13) Is static CDN supported by Next.js?</span></h3>
<p><span style="font-weight: 400;"><strong>Ans: </strong>Yes, static CDN is supported by Next.js 5 and higher. Next.JS now seamlessly loads assets from CDN thanks to the assets prefix.</span></p>
<h3><span style="color: #e67e23; font-size: 18px;"><a id="is-js-difficult-than-react"></a>Q14) Is JS more difficult than React?</span></h3>
<p><span style="font-weight: 400;"><strong>Ans: </strong>It's simple to code; Next. js takes less code than React and other React-compatible frameworks. Less code, greater readability, and better project management are all benefits of this approach, which only requires developers to create the page and link to the component in the header.</span></p>
<h3><span style="color: #e67e23; font-size: 18px;">Q15) What kind of framework&mdash;frontend or backend&mdash;is Next.js?</span></h3>
<p><span style="font-weight: 400;"><strong>Ans: </strong>By going one step further, Next.js eliminates the necessity for a backend framework. You can make React applications that are entirely server-rendered thanks to it. This means that a whole <span style="color: #236fa1;"><a style="color: #236fa1;" title="Style Sheets in HTML" href="https://tekslate.com/style-sheets-html" target="_blank">HTML </a></span>page with all required resources, such as <span style="color: #236fa1;"><a style="color: #236fa1;" title="JavaScript Switch Case" href="https://tekslate.com/javascript-switch-case" target="_blank">JavaScript</a></span> files, CSS files, and graphics, will be downloaded to the user's browser.</span></p>
<h3><span style="color: #e67e23; font-size: 18px;"><a id="next-js-without-react"></a>Q16) Is it possible to learn Next.js without React?</span></h3>
<p><span style="font-weight: 400;"><strong>Ans: </strong>Studying React is a prerequisite for learning Next.js because Next.js is based on React. React is a JavaScript package that enables the creation of reusable components and aids with coding structure.</span></p>e:T3e9c,<p><span style="font-weight: 400;">If you are looking for some best Next.js interview questions, then you are in the right place. We have compiled a list of the best Next.js interview Questions, that will surely help you crack the interview. Read on and All the Best!</span></p>
<table style="border-collapse: collapse; width: 100%; height: 120px;" border="1px" cellpadding="10">
<tbody>
<tr>
<td style="width: 98.3496%;">
<h3>Most frequently asked Next.js Interview Questions</h3>
<ul>
<li><span style="color: #236fa1;"><a style="color: #236fa1;" href="#features-of-next-js">Mention a few features of Next.js</a></span></li>
<li><span style="color: #236fa1;"><a style="color: #236fa1;" href="#why-next-js">Why should anyone choose Next.js?</a></span></li>
<li><span style="color: #236fa1;"><a style="color: #236fa1;" href="#amp-vertification-in-next-js">How can AMP be verified in Next.js?</a></span></li>
<li><span style="color: #236fa1;"><a style="color: #236fa1;" href="#next-js-data-fetching">What is the suggested approach for Next.js data fetching?</a></span></li>
<li><span style="color: #236fa1;"><a style="color: #236fa1;" href="#advantages-of-next-js">List a few advantages of Next.js</a></span></li>
<li><span style="color: #236fa1;"><a style="color: #236fa1;" href="#is-static-cdn-supported-by-next-js">Is static CDN supported by Next.js?</a></span></li>
<li><span style="color: #236fa1;"><a style="color: #236fa1;" href="#is-js-difficult-than-react">Is JS more difficult than React?</a></span></li>
<li><span style="color: #236fa1;"><a style="color: #236fa1;" href="#next-js-without-react">Is it possible to learn Next.js without React?</a></span></li>
</ul>
</td>
</tr>
</tbody>
</table>
<h2><span style="font-size: 24px; color: #236fa1;">Next.js Interview Questions</span></h2>
<div class="jss41">
<h3><span style="color: #e67e23; font-size: 18px;">Q1) What exactly is Next.js?</span></h3>
</div>
<p><strong>Ans: </strong><span style="font-weight: 400;">An open-source, compact React.js framework called Next.js makes it easier for programmers to create static and server-side rendering web applications. Zeit came up with it. We can quickly create server-rendered React apps thanks to the Next.js framework, which is built on React, Webpack, and Babel. Your next feature-rich web application can be built with just npm run dev start and without any webpack settings.</span></p>
<h3><span style="color: #e67e23; font-size: 18px;"><a id="features-of-next-js"></a>Q2) Mention a few features of Next.js</span></h3>
<p><strong>Ans:&nbsp;</strong></p>
<ul>
<li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">JS offers simple server rendering by default.</span></li>
<li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Static exporting is supported in JS.</span></li>
<li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">It offers a Webpack-based development environment that facilitates the use of hot module replacement (HMR)</span></li>
<li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Automatic code-splitting is supported for quicker page loading.</span></li>
<li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">It supports straightforward file system-based routing as well as client-side routing (page-based).</span></li>
<li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">It offers total control over Webpack and Babel.</span></li>
<li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">It offers a more efficient and quick development compilation.</span></li>
<li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">You can use Express or another Node.js HTTP server to implement it.</span></li>
<li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">With your own Babel and Webpack configurations, you may quickly change it.</span></li>
<li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">It allows for instant code reloading.</span></li>
</ul>
<h3><span style="color: #e67e23; font-size: 18px;">Q3) What categories of websites utilize Next.js the most?</span></h3>
<p><strong>Ans:</strong><span style="font-weight: 400;"> The most common uses for Next.js, a <span style="color: #236fa1;"><a style="color: #236fa1;" title="React JS Interview Questions" href="https://tekslate.com/reactjs-interview-questions" target="_blank">React JS</a></span> framework, are to create the following apps and websites:</span></p>
<ul>
<li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Static Websites</span></li>
<li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">PC-based websites</span></li>
<li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">SEO-friendly websites</span></li>
<li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Server Rendered Apps</span></li>
</ul>
<table style="border-collapse: collapse; width: 100%; height: 60px; background-color: #ecf0f1; border-color: #CED4D9; border-style: solid;" border="1px" cellpadding="5">
<tbody>
<tr style="height: 38px;">
<td style="width: 98.2759%; height: 38px; text-align: center;"><em>Want to acquire industry skills and gain complete knowledge of React JS? Enroll in Instructor-Led live <span style="color: #236fa1;"><strong><a style="color: #236fa1;" href="https://tekslate.com/reactjs-training" target="_blank">ReactJS Training</a></strong></span> to become Job Ready!</em></td>
</tr>
</tbody>
</table>
<h3><span style="color: #e67e23; font-size: 18px;"><a id="why-next-js"></a>Q4) Why should anyone choose Next.js?</span></h3>
<p><strong>Ans:</strong></p>
<ul>
<li><em><strong>&nbsp;</strong></em><span style="font-weight: 400;"><em><strong>Zero Setup:</strong></em>&nbsp;Routing based on filesystems, hot code reloading, and universal rendering are all automatic.</span></li>
<li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;"><em><strong>Completely customizable:</strong></em> Total command over Webpack and Babel. Server, routing, and next-plugin customization options.</span></li>
<li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;"><em><strong>Production-Ready:</strong></em> Reduced build size optimization, quicker dev compilation, and other enhancements.</span></li>
</ul>
<h3><span style="color: #e67e23; font-size: 18px;">Q5) Does Create React App do the same function as Next.js?</span></h3>
<p><span style="font-weight: 400;"><strong>Ans: </strong>In essence, Create-React-App is React with a built-in build system. So it serves as a useful boilerplate. Just to run React, we don't need to worry about setting up Webpack, Babel, or other dependent packages. Other than that, we must build packages on top of Create-React-App if we need additional functions like routing, server-side rendering, and so forth.</span></p>
<p><span style="font-weight: 400;">A whole stack React framework is Next.js. It is pre-loaded with useful features including effective routing, build system, API routing, server-side rendering, and many others that perform well in a production context.</span></p>
<h3><span style="color: #e67e23; font-size: 18px;"><a id="amp-vertification-in-next-js"></a>Q6) How can AMP be verified in Next.js?</span></h3>
<p><span style="font-weight: 400;"><strong>Ans: </strong>'amp HTML-validator' is used during development to validate your AMP pages. When Next.js is launched, a terminal will show any warnings and fatal errors. The "next export" process validates AMP pages as well, and if improper AMP validation is present, errors will be reported in the terminal and the "next export" will fail.</span></p>
<h3><span style="color: #e67e23; font-size: 18px;">Q7) How may AMP be enabled in Next.js?</span></h3>
<p><span style="font-weight: 400;"><strong>Ans: </strong>There are two methods for turning on AMP in Next.js.</span></p>
<ul>
<li><em><strong>AMP &ndash; First Pages:</strong></em><span style="font-weight: 400;"> Both the website's regular visitors and search engine visitors are given access to these. To implement AMP-first pages, the following syntax must be used.</span></li>
<li><em><strong>Hybrid AMP Pages:</strong></em><span style="font-weight: 400;"> In order for search engines to quickly display the AMP version of the page in various mobile search results, hybrid AMP pages let users have an AMP version of a standard page alongside it.</span></li>
</ul>
<h3><span style="color: #e67e23; font-size: 18px;"><a id="next-js-data-fetching"></a>Q8) What is the suggested approach for Next.js data fetching?</span></h3>
<p><span style="font-weight: 400;"><strong>Ans: </strong>There are many ways to fetch data in Next.js but the framework itself suggests using the async function getInitialProps to fetch data from any location. The context object that getInitialProps obtains when we use it to retrieve data has the features shown below:</span></p>
<ul>
<li><em><strong>Pathname:</strong></em><span style="font-weight: 400;"> This identifies the URL's path portion.</span></li>
<li style="font-weight: 400;" aria-level="1"><em><span style="font-weight: 400;"><strong>Query:</strong></span><span style="font-weight: 400;"> </span></em><span style="font-weight: 400;">It is used to define the URL query string portion of an object-parsed URL.</span></li>
<li style="font-weight: 400;" aria-level="1"><em><strong>asPath:</strong></em><span style="font-weight: 400;"> This defines the string that represents the actual path that the browser displays, along with the query.</span></li>
<li style="font-weight: 400;" aria-level="1"><em><strong>Req:</strong></em><span style="font-weight: 400;"> The HTTP request object (server only) is specified using the word "req.&rdquo;</span></li>
<li style="font-weight: 400;" aria-level="1"><em><strong>Res:</strong></em><span style="font-weight: 400;"> The HTTP response object (server only) is specified by the prefix res.</span></li>
<li style="font-weight: 400;" aria-level="1"><em><strong>Err:</strong></em><span style="font-weight: 400;"> If a rendering error occurs, the word "err" is used to specify the error object.</span></li>
</ul>
<h3><span style="color: #e67e23; font-size: 18px;">Q9) What does Next.js's code splitting mean, in your opinion?</span></h3>
<p><span style="font-weight: 400;"><strong>Ans: </strong>In general, code splitting is one of Webpack's most alluring features. This feature makes it easier for us to divide our code into different bundles that can only be loaded in parallel or on demand. This primarily serves to create smaller bundles and makes it easier to manage resource load prioritization, both of which have a significant impact on load time.</span></p>
<p><span style="font-weight: 400;">Code splitting primarily uses three methods:</span></p>
<ul>
<li><em><strong>Entry Points:</strong></em><span style="font-weight: 400;"> Manual entry configuration is used to separate code.</span></li>
<li style="font-weight: 400;" aria-level="1"><em><strong>Eliminate Duplication:</strong></em><span style="font-weight: 400;"> Deduplication and chunk splitting are done using Entry dependencies or SplitChunksPlugin.</span></li>
<li style="font-weight: 400;" aria-level="1"><em><strong>Adaptive Imports:</strong></em><span style="font-weight: 400;"> Using inline function calls within modules, it divides the code using dynamic imports.</span></li>
</ul>
<p><span style="font-weight: 400;">It is primarily used to allow unneeded code to load on pages that can never do so.</span></p>
<h3><span style="color: #e67e23; font-size: 18px;"><a id="advantages-of-next-js"></a>Q10) List a few advantages of Next.js</span></h3>
<p><span style="font-weight: 400;"><strong>Ans: </strong></span></p>
<ul>
<li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Simple project creation, modification, and needed package discovery.</span></li>
<li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Optimum application performance because automatic code-splitting is available.</span></li>
<li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">With the use of prefetching, Next.js enables efficient code bundles to be loaded slowly in the background.</span></li>
<li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">It enables SSR, or server-side rendering, in application code, providing SEO-friendly flexibility, an initial render to application view, and doing away with the need to download code.</span></li>
<li style="font-weight: 400;" aria-level="1"><span style="font-weight: 400;">Hot-Module Replacement that works with robust error reporting.</span></li>
</ul>
<h3><span style="color: #e67e23; font-size: 18px;">Q11) What does Next.js's Styled JSX mean?</span></h3>
<p><span style="font-weight: 400;"><strong>Ans: </strong>It is a library for writing scoped and encapsulated CSS that is used by developers to style Next.js components. Developers can add, remove, and modify styles without being concerned about unintended consequences thanks to Styled JSX, which prevents styles from being introduced to one component from affecting other components.</span></p>
<h3><span style="color: #e67e23; font-size: 18px;">Q12) What are the advantages of utilizing Serverless mode, and how do you utilize it?</span></h3>
<p><span style="font-weight: 400;"><strong>Ans: </strong>By dividing an application into smaller, more manageable pieces known as lambdas, Serverless mode implementation greatly enhances a program's scalability and readability. A "pay for what you use" philosophy, also encourages affordability.</span></p>
<p><span style="font-weight: 400;">Next.js's Serverless mode must be enabled by adding the "serverless" build target to next.config.js.</span></p>
<h3><span style="color: #e67e23; font-size: 18px;"><a id="is-static-cdn-supported-by-next-js"></a>Q13) Is static CDN supported by Next.js?</span></h3>
<p><span style="font-weight: 400;"><strong>Ans: </strong>Yes, static CDN is supported by Next.js 5 and higher. Next.JS now seamlessly loads assets from CDN thanks to the assets prefix.</span></p>
<h3><span style="color: #e67e23; font-size: 18px;"><a id="is-js-difficult-than-react"></a>Q14) Is JS more difficult than React?</span></h3>
<p><span style="font-weight: 400;"><strong>Ans: </strong>It's simple to code; Next. js takes less code than React and other React-compatible frameworks. Less code, greater readability, and better project management are all benefits of this approach, which only requires developers to create the page and link to the component in the header.</span></p>
<h3><span style="color: #e67e23; font-size: 18px;">Q15) What kind of framework&mdash;frontend or backend&mdash;is Next.js?</span></h3>
<p><span style="font-weight: 400;"><strong>Ans: </strong>By going one step further, Next.js eliminates the necessity for a backend framework. You can make React applications that are entirely server-rendered thanks to it. This means that a whole <span style="color: #236fa1;"><a style="color: #236fa1;" title="Style Sheets in HTML" href="https://tekslate.com/style-sheets-html" target="_blank">HTML </a></span>page with all required resources, such as <span style="color: #236fa1;"><a style="color: #236fa1;" title="JavaScript Switch Case" href="https://tekslate.com/javascript-switch-case" target="_blank">JavaScript</a></span> files, CSS files, and graphics, will be downloaded to the user's browser.</span></p>
<h3><span style="color: #e67e23; font-size: 18px;"><a id="next-js-without-react"></a>Q16) Is it possible to learn Next.js without React?</span></h3>
<p><span style="font-weight: 400;"><strong>Ans: </strong>Studying React is a prerequisite for learning Next.js because Next.js is based on React. React is a JavaScript package that enables the creation of reusable components and aids with coding structure.</span></p>f:{"id":1,"author_designation":"Content Writer","author_name":"TekSlate","author_bio":"<p>TekSlate is the best online training provider in delivering world-class IT skills to individuals and corporates from all parts of the globe. We are proven experts in accumulating every need of an IT skills upgrade aspirant and have delivered excellent services. We aim to bring you all the essentials to learn and master new technologies in the market with our articles, blogs, and videos. Build your career success with us, enhancing most in-demand skills in the market.</p>","author_img":"https://tekslateassets.s3.amazonaws.com/images/logo.svg","author_url":"tekslate","article_count":"0","field_of_intrest":"","status":1}
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