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Published
Edited
Mar 21, 2022
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Shuffle an Array
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Tips and Utilities
/**
* Randomly shuffle an array
* https://stackoverflow.com/a/2450976/1293256
* @param {Array} array The array to shuffle
* @return {String} The array
*/
function shuffle (array) {
let currentIndex = array.length;
let temporaryValue, randomIndex;
// While there remain elements to shuffle...
while (0 !== currentIndex) {
// Pick a remaining element...
randomIndex = Math.floor(Math.random() * currentIndex);
currentIndex -= 1;
// And swap it with the current element.
temporaryValue = array[currentIndex];
array[currentIndex] = array[randomIndex];
array[randomIndex] = temporaryValue;
}
return array;
}
foo = shuffle([1,2,3,4,5,6,7,8,9])
Purpose-built for displays of data
Observable is your go-to platform for exploring data and creating expressive data visualizations. Use reactive JavaScript notebooks for prototyping and a collaborative canvas for visual data exploration and dashboard creation.
