jsmodern/dist/array/shuffle.js

An extension to existing JavaScript, influenced by other great languages such as Rust, Dart, Java, Golang, etc.

export const shuffle = {
    label: 'shuffle',
    fn: function arrayShuffle() {
        const ctx = this;
        const len = ctx.length;
        if (len > 1) {
            const cloned = ctx.slice();
            ctx.length = 0;
            while (cloned.length > 0) {
                const rand = Math.floor(Math.random() * cloned.length);
                const shifted = cloned.splice(rand, 1)[0];
                ctx.push(shifted);
            }
        }
    },
};
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