How to Generate a Random Boolean using JavaScript? Last Updated : 09 Oct, 2024 Comments Improve Suggest changes Like Article Like Report To generate a random boolean in JavaScript, use Math.random(), which returns a random number between 0 and 1.Approach: Using Math.random() functionCalculate Math.random() function.If it is less than 0.5, then true otherwise false.Example 1: This example implements the above approach. JavaScript // Function to generate and log a random boolean value function generateRandomBoolean() { console.log(Math.random() >= 0.5); } // Simulate a button click by calling the function generateRandomBoolean(); Outputfalse Example 2:Create an array containing 'true' and 'false' values.Calculate Math.random() and round its value.Use rounded value as the index to the array, to get boolean. JavaScript // Array containing true and false let ar = [true, false]; // Function to generate and log a random boolean function generateRandomBoolean() { let index = Math.round(Math.random()); console.log(ar[index]); } // Simulate a button click by calling the function generateRandomBoolean(); Outputtrue Comment More infoAdvertise with us Next Article How to Generate a Random Boolean using JavaScript? P PranchalKatiyar Follow Improve Article Tags : JavaScript Web Technologies Similar Reads How to Generate a Random Password using JavaScript? Creating a random password generator is an excellent beginner-friendly project that can be useful in real-world applications. Passwords are vital for securing accounts, and strong, randomized passwords enhance security significantly. How to Generate a Random Password using JavaScriptWhat We're Going 5 min read How to toggle a boolean using JavaScript ? A boolean value can be toggled in JavaScript by using two approaches which are discussed below: Table of Content Using the logical NOT operatorUsing the ternary operatorUsing the XOR (^) operatorMethod 1: Using the logical NOT operator The logical NOT operator in Boolean algebra is used to negate an 3 min read How to generate a n-digit number using JavaScript? The task is to generate an n-Digit random number with the help of JavaScript. You can also generate random numbers in the given range using JavaScript. Below are the approaches to generate a n-digit number using JavaScript: Table of Content Using Math.random()Math.random() Method and .substring() Me 2 min read Random String Generator using JavaScript JavaScript is a lightweight, cross-platform, interpreted scripting language. It is well-known for the development of web pages, many non-browser environments also use it. JavaScript can be used for Client-side developments as well as Server-side developments.In this article, we need to create a Rand 7 min read Generate a Random Birthday Wishes using JavaScript In this article, we are going to learn how to create a webpage that generates random Birthday wishes using HTML, CSS, and JavaScript.Approach: To generate a random birthday wish we will follow the below-given steps.HTML Code: In this section, we will create a basic structure of the HTML file i.e. it 2 min read How to Generate a Random Number in JavaScript? To generate a random number in JavaScript, use the built-in methods that produce a floating-point number between 0 (inclusive) and 1 (exclusive).Below are the approaches to generate random numbers in JavaScript:Table of ContentUsing Math.random() methodUsing Math.floor() with Math.random()Using Math 2 min read Design Random Color Generator using HTML CSS and JavaScript A Random Color Generator app is used to create random colors with a simple button click, displaying both HEX and RGB codes that users can copy. It's built using HTML, CSS, and JavaScript, making it a handy tool for designers or developers who need quick color ideas. The app can also include a Dark M 3 min read Random Image Generator using JavaScript In this article, we will learn how to generate random images in fixed intervals using only HTML, CSS, and JavaScript.Approach: The pictures that are going to be generated randomly on the website should be stored in the form of an array; these pictures are then displayed to the user within a regular 4 min read Generate random alpha-numeric string in JavaScript In this article with the help of javascript we are generating the alpha-numeric string of specific length using javascript, here are some common method Approach 1: Creates a function that takes 2 arguments one is the length of the string that we want to generate and another is the characters that we 2 min read How to convert Number to Boolean in JavaScript ? We convert a Number to Boolean by using the JavaScript Boolean() method and double NOT operator(!!). A JavaScript boolean results in one of two values i.e. true or false. However, if one wants to convert a variable that stores integer “0†or “1†into Boolean Value i.e. "false" or "true". Below are 2 min read Like