Prepare for technical interviews in the IT industry - Frontend, React, JavaScript, HTML or CSS. Answer to the key questions and be successful in IT. Learn questions frequently asked on technical interviews in biggest companies across the world.
Need more: CSS Interview Questions, JavaScript Beginners Algorithm1. doctype Question: What is doctype? Why do u need it? Answer: doctype is an instruction to the browser to inform about the version of html document and how browser should render it. It ensures how element should be displayed...
JavaScript Job Interview Questions and Answers 1:: What is JavaScript? JavaScript is a general-purpose programming language designed to let programmers of all skill levels control the behavior of software objects. The language is used most widely today in Web browsers whose software objects tend to...
Custom data- attributes are a great way to simplify the storage of application data in your web pages. Consider HTML5 as an open web platform. What are the building blocks of HTML5? more semantic text markup new form elements vedio and audio new javascript API canvas and SVG new communicati...
for a “JavaScript Engineer”. This particular set of questions is from a job I applied to over a year ago. I’ve chosen to share them here because I think readers of this blog would benefit from knowing what kind of things are expected if you’re applying to a JavaScript-centric role...
(1) 减少http请求次数:CSS Sprites, JS、CSS源码压缩、图片大小控制合适;网页Gzip,CDN托管,data缓存 ,图片服务器。 (2) 前端模板 JS+数据,减少由于HTML标签导致的带宽浪费,前端用变量保存AJAX请求结果,每次操作本地变量,不用请求,减少请求次数 (3) 用innerHTML代替DOM操作,减少DOM操作次数,优化javascript性能。 (...
JavaScript旨在创建以网络为中心的应用程序。 JavaScript是Java的补充和集成。 JavaScript是HTML的补充和集成。 JavaScript是开放的且跨平台的。 What are the advantages of using JavaScript? 以下是使用JavaScript的优势- 更少的服务器交互-您可以在将页面发送给服务器之前验证用户输入。这样可以节省服务器Stream量,这意...
(c) Returning false from a regular JavaScript onclick event handler for a non-anchor tag (e.g., a div, button, etc.) has absolutely no effect.12. jQuery provides a useful .clone() method to create a deep copy of matching elements. Answer the following questions: What is meant by a...
Need more: HTML Interview Questions, JavaScript Beginners Algorithm1. float Question: What does float do? Answer: float pushes an element to the sides of a page with text wrapped around it. you can create entire page or a smaller area by using float. if size of a floated element changes,...
100 Days Of Frontend Interview QuestionsThis repo will contain 500 frontend interview questions which will have HTML, CSS, Javascript & React questions. I will add not any question in which we have to write code, just theory questions.I