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aherve/set-subtract.js

Created August 30, 2017 14:29
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set-subtract.js
// subtract two sets
const s1 = [ 1, 2, 3, 4, 5 ]
const s2 = [ 2, 4 ]
const subtracted = s1.filter(x => s2.indexOf(x) < 0)
console.log(subtracted)
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