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Browse through the questions and answers to study and understand key JavaScript topics. Use the code examples to practice and solidify your knowledge. Follow the interview tips to improve your interview performance.
Short answer - Javascript is function scoped. What is block-scoped? Block-scoped exists when a declared variable has inside a block of code (usually enclosed between curly backets) is only visible/accessible within that block of code. Consider the following.
This repo contains a number of JavaScript interview questions that can be used for interview prep or when vetting potential candidates. Some suggested answers along with relevant resources are posted in the answers folder.
12 lip 2022 · Difference between var and let keyword JavaScript. var and let are both used for variable declaration in javascript but the difference between them is that var is function scoped and let is block scoped.
21 sty 2018 · JavaScript scope is a pandora box. Hundreds of tough interview questions can be framed from this single concept. There are three kinds of scopes: Global scope; Local Scope/Function...
Javascript interview questions. Here are 17 topics in JavaScript practice before mock interviews: Level1. Variables and Data Types. Conditional Statements (if/else, switch) Loops (for, while, do while)
3 sty 2024 · Block Scope: Block scope is related to the variables declared using let and const. Variables declared with var do not have block scope. Block scope tells us that any variable declared inside a block { }, can be accessed only inside that block and cannot be accessed outside of it.
