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clarencetw/string_dfff.js

Created May 16, 2019 00:48
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string_dfff.js
const a = ['a', 'b'];
const b = ['b', 'c'];
Array.prototype.diff = function(a) {
return this.filter(function(i) {return a.indexOf(i) < 0;});
};
console.log("A diff B: ", a.diff(b));
console.log("B diff A: ", b.diff(a));
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