10 examples of 'javascript random choice' in JavaScript

182
function randomChoice()
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{
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    assert (
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        arguments.length > 0,
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        'must supply at least one possible choice'
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    );
188
189
    var idx = randomInt(0, arguments.length - 1);
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    return arguments[idx];
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}

315
function pop_random(choices) {
316
    // remove and return an item randomly chosen from the array of choices
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    // (mutates choices)
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    //
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    var idx = Math.floor(Math.random() * choices.length);
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    return choices.splice(idx, 1)[0];
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}

51
function random(from, to) {
52
    return Math.floor(Math.random() * (to - from + 1) + from);
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}

92
function selectRandom(arr) {
93
  return arr[Math.floor(Math.random() * arr.length)];
94
}

3
function choose(choices) {
4
    const index = Math.floor(Math.random() * choices.length);
5
    return choices[index];
6
}

78
public static random(): number {
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    return math.random();
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}

18
function choice(somelist) {
19
  var i = floor(random(somelist.length));
20
  return somelist[i];
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}

23
function random(params: paramsEntity = {}): number {
24
  const { min = 500, max = 10000, floor = false } = params;
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  const num = Math.random() * (max - min) + min;
26
  return floor ? Math.floor(num) : num;
27
}

23
function random(choices: { [name: string]: number }): string {
24
  let summedWeight = 0;
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  const variants = [];
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  const choiceNames: Array = Object.keys(choices);
27
  for (const name of choiceNames) {
28
    const weight = choices[name];
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    summedWeight += weight;
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    for (let i = 0; i < weight; i++) {
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      variants.push(name);
32
    }
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  }
34
  let seed = window.localStorage.getItem("testpilot-varianttests-id", null);
35
  if (seed === null) {
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    seed = String(Math.random());
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    window.localStorage.setItem("testpilot-varianttests-id", seed);
38
  }
39
  return variants[Math.floor(seedrandom(seed)() * summedWeight)];
40
}

19
function _random(max) {
20
    return Math.round(Math.random() * 1000) % max;
21
}