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.
The questions below were asked in a preliminary check before the actual interview. The role itself was 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 ...
53 frequently asked JavaScript interview questions This is a long list of questions, and an interviewer will most likely only ask some of them, but it doesn’t hurt to test yourself on each one. The more questions you know the answer to, the more confidence you will have walking into the...
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...
(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。 (...
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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...
ref: css preprocessor, working with preprocessor 21. see & tell Question: What would be the color of text "I am awesome" for he following rules? html: for questions a-d. <ul class="shopping-list" id="awesome"> <li><span>Milk</span></li> <li class="favorite" id="must-buy"><...
Here’s a breakdown of the core skill set of every developer looking to ace theback-end engineer interview questions: IMPORTANT CORE SKILLS REQUIRED Knowledge of relevant back-end programming languages Thorough understanding of front-end technologies such as HTML and CSS to ensure seamless integration...
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