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 doc
CSS: interview questions 21+ questions for intermediate JS developer January 05, 2014Warning!, if you have couple of tattoos in your body, this is not the right place. You certainly have more in depth knowledge, fancy portfolio and you have to express that. These questions are for lazy ...
(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。 (...
These basic React JS questions are not only good but essential for freshers. They serve as a litmus test for a beginner's preparedness to dive into React development. 1. How will you explain the request life cycle in PHP? View Answer The request life cycle in PHP is a systematic and ...
16) What is the difference between == and ===? The double equal sign == checks for equality. The triple equal sign === checks for both equality and type. JavaScript students also learn Node.JsMongoDBCSSReact JSHTMLFront End Web DevelopmentPythonPHP (programming language)TypescriptVue JSJava...
(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...
🎴 Train your frontend theoretical and practical (a bit) skills, prepare for the interview properly. ☕ reactreduxjavascriptfront-endfrontendinterview-questionscss-questionshtml-questionsjs-questionsinterview-testfront-end-interview UpdatedAug 10, 2018 ...
HTML, CSS, JS basics What does flex: 0 1 auto mean? What are the pseudo-element selectors in css What are the HTML5 semantic tags? Closure programming questions Handwritten Promise implementation Handwritten requestCache implementation Synchronous and asynchronous, micro-task and macro-task deep copy...
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...
minify css&js file compress(gzip) yahoo 14 rules If you jumped on a project and they used tabs and you used spaces, what would you do? Suggest the project utilize something like EditorConfig (http://editorconfig.org) Conform to the conventions (stay consistent) ...