You can use the indexOf() method to check if a given element exists in an array or not. The indexOf() method returns the index of the element inside the array if it is found, [ … ]
Tag: js interview question
How to Check If An Object is Empty in JavaScript
There are various ways to check if an object is empty in JavaScript. Method 1: Using JavaScript JSON.stringify method – Method 2: Looping through object keys – Try yourself
Data Types in JavaScript
What is Data Type? In programming the term Data Type refers to type or classification of data that a variable can hold and operations that can be performed on it. [ … ]
Different Ways to Define a Function in JavaScript
A function is piece of code or group of statements that performs a particular task. The code within a function gets executed only when it is referenced or called. For [ … ]
What is IIFE in JavaScript?
An IIFE (Immediately Invoked Function Expression) pronounced as iify is a JavaScript function that runs as soon as it is defined. In other words, the function gets executed automatically as [ … ]