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"]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));Copyright © 2021 Codeinu
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