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#efefef}.footer{padding-top:3rem}.footer-text{font-size:.8rem}</style></head><body class=""><div class="topbar"></div><div class="container"><a class="skip-link" href="#main-content">Skip to main content</a><nav class="nav"><ul class="navigation" id="navigation"><li class="navigation-item-emoji navigation-item-home"><a class="navigation-anchor" href="/Front-end-Developer-Interview-Questions/" title="Home"><em>★</em><span>Front-end Developer Interview Questions</span></a></li><li class="navigation-item-emoji navigation-item-translations"><a class="navigation-anchor" href="/Front-end-Developer-Interview-Questions/translations" title="Translations"><em>🌐</em><span>Translations</span></a></li><li class="navigation-item navigation-questions-label"><button class="navigation-toggle" id="navigation-toggle">Questions:</button></li><li class="navigation-item navigation-questions"><ul class="navigation navigation-questions-list"><li class="navigation-item"><a class="navigation-anchor navigation-questions-anchor" href="/Front-end-Developer-Interview-Questions/questions/general-questions/" title="General Questions">General</a></li><li class="navigation-item"><a class="navigation-anchor navigation-questions-anchor" href="/Front-end-Developer-Interview-Questions/questions/html-questions/" title="HTML Questions">HTML</a></li><li class="navigation-item"><a class="navigation-anchor navigation-questions-anchor" href="/Front-end-Developer-Interview-Questions/questions/css-questions/" title="CSS Questions">CSS</a></li><li class="navigation-item"><a class="navigation-anchor navigation-questions-anchor" href="/Front-end-Developer-Interview-Questions/questions/javascript-questions/" title="JavaScript Questions">JavaScript</a></li><li class="navigation-item"><a rel="external noreferrer noopener" target="_blank" class="navigation-anchor navigation-questions-anchor" href="https://scottaohara.github.io/accessibility_interview_questions/" title="Accessibility Questions (external link)">A11y</a></li><li class="navigation-item"><a class="navigation-anchor navigation-questions-anchor" href="/Front-end-Developer-Interview-Questions/questions/testing-questions/" title="Testing Questions">Testing</a></li><li class="navigation-item"><a class="navigation-anchor navigation-questions-anchor" href="/Front-end-Developer-Interview-Questions/questions/performance-questions/" title="Performance Questions">Performance</a></li><li class="navigation-item"><a class="navigation-anchor navigation-questions-anchor" href="/Front-end-Developer-Interview-Questions/questions/network-questions/" title="Network Questions">Network</a></li><li class="navigation-item"><a class="navigation-anchor navigation-questions-anchor" href="/Front-end-Developer-Interview-Questions/questions/coding-questions/" title="Coding Questions">Coding</a></li><li class="navigation-item"><a class="navigation-anchor navigation-questions-anchor" href="/Front-end-Developer-Interview-Questions/questions/fun-questions/" title="Fun Questions">Fun</a></li></ul></li></ul></nav><main id="main-content" tabindex="-1"><main class="header"><iframe title="GitHub stars for Front-end Developer Interview Questions" src="https://ghbtns.com/github-btn.html?user=h5bp&repo=Front-end-Developer-Interview-Questions&type=star&count=true&size=large" frameborder="0" scrolling="0" width="160px" height="30px"></iframe><br><h1 class="header-big-title gradient1">Front-end Developer Interview Questions</h1><p class="header-big-description">A list of helpful front-end related questions you can use to interview potential candidates, test yourself or completely ignore. <a href="/Front-end-Developer-Interview-Questions/about/">Read more about it here</a>. Better in your language? See one of our <a href="/Front-end-Developer-Interview-Questions/translations/">translations</a>.</p><p class="header-description">Since this project begun, thousands of questions were added by an amazing group of people, and translated to more than 30 different languages. <b>Want to contribute?</b> See our <a href="https://github.com/h5bp/Front-end-Developer-Interview-Questions/blob/master/.github/CONTRIBUTING.md" target="_blank" rel="noreferrer noopener">contribution guidelines.</a></p></main></main><footer class="footer"><p class="footer-text">Copyright © 2012 - 2024. 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