// Implement your code here } Sample Answer JavaScript array coding questions JavaScript array coding interview questions are technical questions asked to gauge candidates’ ability to work with arrays along with their familiarity with fundamental data structures. ...
Here are 5 interview questions with information on why employers ask these queries, guidance on how to answer and example responses to help you convey your message clearly: 1. Can you name JavaScript's different primitive data types?Employers ask about JavaScript data types to determine if you ...
What is a potential pitfall with using typeof bar === "object" to determine if bar is an object? How can this pitfall be avoided? View the answer → What will the code below output to the console and why? (function(){ var a = b = 3; })(); console.log("a defined? " + (...
For robust code, verify an object’s type usingtypeofprior to interacting with it. function processValue(value) { // Handle special cases first if (value === null) return "null"; if (value === undefined) return "undefined"; // Check for arrays (remember: typeof [] === "object")...
Front End Interview Handbook is part of GreatFrontEnd! Find the latest version of this page on GreatFrontEnd.These are the front-end version of LeetCode questions, but with less emphasis on complicated algorithms and more focus on practical use cases. However, they can also be questions simply...
Shanyue has more than 600 questions in Dachang's interview question bank. And it contains interview questions in various directions, such as React, HTTP, etc. But many of them are about code articles: One part examines your programming skills ...
题目来自25 Essential JavaScript Interview Questions。闲来无事,正好切一下。 一 What is a potential pitfall with usingtypeof bar === "object"to determine if bar is an object? How can this pitfall be avoided? 老生常谈的问题,用typeof是否能准确判断一个对象变量,答案是否定的,null的结果也是 objec...
Facing your first JavaScript job interview isn’t so daunting. If you know how to write code and build complete front-end applications in JavaScript, you should have no problem answering the questions they will ask during the interview. Still, it’s important to prepare for the interview questi...
I didn't apply for the job, because I was working at the (now defunct) startupViewzi, and I didn't want to uproot from Dallas and move to California. Just for kicks, I asked the recruiter if it'd be okay if I went ahead and tried my hand at their code questions anyway. After...
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