3 examples of 'random index javascript' in JavaScript

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15function createRandomIndex(rng) {
16 var customRandom = createRandom(rng);
17
18 /**
19 * Random function.
20 *
21 * @param {array|number} array - Target array or length of the array.
22 * @return {number}
23 */
24 return function(length) {
25 if (typeof length !== 'number')
26 length = length.length;
27
28 return customRandom(0, length - 1);
29 };
30}
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51function randomIndex(array) {
52 return Math.floor(Math.random() * array.length);
53}
1function getRandomIndex(arr) {
2 return Math.floor(Math.random() * arr.length);
3}

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