![]() ![]() JavaScript Interview Questions for Freshers 1. Developers may save a lot of time on monotonous programming jobs by using these code libraries, allowing them to focus on the production work of development. Javascript frameworks, often known as inbuilt libraries, may be used to construct desktop and mobile programs. Even today, the server-side version of JavaScript known as Node.js may be used to create online and mobile apps, real-time applications, online streaming applications, and videogames. It was created with the intention of being used in a browser. JavaScript is an object-oriented programming language that is used to generate websites and applications. JavaScript is a scripting language that may be used to construct online and mobile apps, web servers, games, and more. When the page loads, these scripts execute automatically.Ī language that was originally designed to build dynamic web pages may now be run on the server and on almost any device that has the JavaScript Engine installed.Īfter HTML and CSS, JavaScript is the third biggest web technology. A script is a JS program that may be added to the HTML of any web page. ![]() It was designed to build dynamic web pages at first. JavaScript, created by Brendan Eich in 1995, is one of the most widely used web development languages. What is the output of the following code? In JavaScript, how do you turn an Object into an Array ? Write the code given If two strings are anagrams of one another, then return true. Write the code for dynamically inserting new components. Implement a function that returns an updated array with r right rotations on an array of integers a. Write a function that performs binary search on a sorted array. Guess the outputs of the following codes: What is the purpose of the following JavaScript code? What has to be done in order to put Lexical Scoping into practice? What is the role of deferred scripts in JavaScript? What are the primitive data types in JavaScript? Difference between Async/Await and Generators usage to achieve the same functionality. Is JavaScript a pass-by-reference or pass-by-value language? What do you mean by JavaScript Design Patterns? Difference between prototypal and classical inheritance ![]() What is the use of promises in javascript? In JavaScript, how many different methods can you make an object? What is the rest parameter and spread operator? Differences between declaring variables using var, let and const. What do mean by prototype design pattern? JavaScript Interview Questions for Experienced.What is the distinction between client-side and server-side JavaScript? Which method is used to retrieve a character from a certain index? What is the use of a constructor function in javascript? What is recursion in a programming language? What are the types of errors in javascript? Explain Scope and Scope Chain in javascript. What are some advantages of using External JavaScript? What is the difference between exec () and test () methods in javascript? Explain call(), apply() and, bind() methods. ![]() What do you mean by Self Invoking Functions? Explain Higher Order Functions in javascript. What do you mean by strict mode in javascript and characteristics of javascript strict-mode? What is an Immediately Invoked Function in JavaScript? Explain passed by value and passed by reference. Is javascript a statically typed or a dynamically typed language? Explain Implicit Type Coercion in javascript. Difference between var and let keyword in javascript. Difference between “ = “ and “ = “ operators. Why do we use the word “debugger” in javascript? What are the different data types present in javascript? JavaScript Interview Questions for Freshers. ![]()
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