7 Killer One-Liners in JavaScript

JavaScript is the most crucial pillar of Web Development.

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Shuffle Array

While using algorithms that require some degree of randomization, you will often find shuffling arrays quite a necessary skill. The following snippet shuffles an array in place with O(n log n) complexity.

const shuffleArray = (arr) => arr.sort(() => Math.random() - 0.5);
// Testing
const arr = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
console.log(shuffleArray(arr));

Copy to Clipboard

In web apps, copy to clipboard is rapidly rising in popularity due to its convenience for the user.