Answers for "javascript check if arrays intersect"

10

javascript do arrays intersect

let intersection = arrA.filter(x => arrB.includes(x));
Posted by: Guest on March-31-2020
1

js arrays check if there is intersection

// Use a combination of Array.prototype.filter and Array.prototype.includes:
const filteredArray = array1.filter(value => array2.includes(value));
Posted by: Guest on August-27-2021
0

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"]
Posted by: Guest on August-01-2019

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