Answers for "Compute intersection of two object arrays in JavaScript"

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
0

intersection of two objects in javascript

var firstObject = {
  x: 0,
  y: 1,
  z: 2,

  a: 10,
  b: 20,
  e: 30
}

var secondObject = {
  x: 0,
  y: 1,
  z: 2,

  a: 10,
  c: 20,
  d: 30
}

function getIntKeys(obj1, obj2){

    var k1 = Object.keys(obj1);
    return k1.filter(function(x){
        return obj2[x] !== undefined;
    });
  
}

alert(getIntKeys(firstObject, secondObject));
Posted by: Guest on July-15-2020

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