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Getting a random value from a JavaScript array

Submitted by: @import:stackoverflow-api··
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arrayfromrandomgettingvaluejavascript

Problem

Consider:

var myArray = ['January', 'February', 'March'];


How can I select a random value from this array using JavaScript?

Solution

It's a simple one-liner:

const randomElement = array[Math.floor(Math.random() * array.length)];


For example:



const months = ["January", "February", "March", "April", "May", "June", "July"];

const random = Math.floor(Math.random() * months.length);
console.log(random, months[random]);

Code Snippets

const randomElement = array[Math.floor(Math.random() * array.length)];

Context

Stack Overflow Q#4550505, score: 2366

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