JavaScript Interview Questions for Freshers 1. What are the different data types present in javascript? To know the type of a JavaScript variable, we can use the typeof operator. 1. Primitive types String - It represents a series of characters and is written with quotes. A string can be ...
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You donât know JavaScript yet, but we bet you can make some good guesses about how JavaScript code works. Take a look at each line of code below and see if you can guess what it does. Write in your answers below. Weâve done one for you to get you started. Here...
Fortunately, you can find plenty of lists of sample interview questions online—Toptal has a good one, for instance. We also recommend this short JavaScript tutorial from Naren Yellavula on dev.bits(). It focuses on what you will need to know to be able to answer typical interview questions...
This is an extremely common JavaScript interview question. All JavaScript objects have a prototype property, that is a reference to another object. When a property is accessed on an object and if the property is not found on that object, the JavaScript engine looks at the object's prototype,...
This week’s interview: a few things you didn’t know... Head First: Welcome Function! We’re looking forward to digging in and finding out what you’re all about. Function: Glad to be here. Head First: Now we’ve noticed many people who are new to JavaScript don’t tend to use ...
yangshun/front-end-interview-handbook - ⚡️ Front End interview preparation materials for busy engineers zenorocha/clipboard.js - ✂️ Modern copy to clipboard. No Flash. Just 3kb gzipped 📋 microsoft/playwright - Playwright is a framework for Web Testing and Automation. It allows testi...
classic interview questions: What happens from URL input to page display? What happened after entering the URL in the browser and pressing Enter (super detailed version) One of the main tasks of the browser is to render the display page. The rendering process is not exactly the same for diff...
Functional Programming (FP) is an incredibly powerful paradigm for structuring code that yields more robust, verifiable, and readable programs. If you've ever tried to learn FP but struggled with terms like "monad", mathematical concepts like category theory, or symbols like λ, you're not alon...
After blowing it on an interview. I knew I really had to get my head wrapped around closures. So if I may impart unto all here, this is my take on closures and I hope it helps: As I understand it, at a basic level, a closure is a returned function that encapsulates (not ...