javascript get intersection of two arrays
function getArraysIntersection(a1,a2){
return a1.filter(function(n) { return a2.indexOf(n) !== -1;});
}
var colors1 = ["red","blue","green"];
var colors2 = ["red","yellow","blue"];
var intersectingColors=getArraysIntersection(colors1, colors2); //["red", "blue"]array intersection javascript es6
const intersection = (a, b) => {
b = new Set(b); // recycling variable
return [...new Set(a)].filter(e => b.has(e));
};
console.log(intersection([1, 2, 3, 1, 1], [1, 2, 4])); // Array [ 1, 2 ]Copyright © 2021 Codeinu
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