Knuth shuffle: Difference between revisions
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m (→ES5) |
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for (i = arr.length - 1; i > 0; i -= 1) { |
for (i = arr.length - 1; i > 0; i -= 1) { |
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rand = Math.floor((i + 1) * Math.random());//get random between zero and i (inclusive) |
rand = Math.floor((i + 1) * Math.random());//get random between zero and i (inclusive) |
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temp = arr[rand]; |
temp = arr[rand]; |
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arr[rand] = arr[i]; |
arr[rand] = arr[i]; //swap i (last element) with random element. |
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arr[i] = temp; |
arr[i] = temp; |
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} |
} |
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3,1,2 16460 |
3,1,2 16460 |
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3,2,1 16596</pre> |
3,2,1 16596</pre> |
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===ES6=== |
===ES6=== |
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