I have the following problem in my ReactJs application. Let's say I have two arrays like this:
var cart = [
{id: 1, name: "item1"},
{id: 2, name: "item2"},
];
var productsArr = [
{proId: 1, category: 'cat1'},
{proId: 5, category: 'cat7'},
];
Is it possible to compare these 2 arrays and find any objects in productsArr which cart's id quals productsArr's proId and remove that object from only productsArr?
(If so, as I explained in this example, productsArr[0] should be removed.)
Thanks in advance.
You can use Array#filter in conjunction with Array#some.
var cart = [
{id: 1, name: "item1"},
{id: 2, name: "item2"},
];
var productsArr = [
{proId: 1, category: 'cat1'},
{proId: 5, category: 'cat7'},
];
productsArr = productsArr.filter(({proId})=>!cart.some(({id})=>proId === id));
console.log(productsArr);var cart = [
{id: 1, name: "item1"},
{id: 2, name: "item2"},
];
var productsArr = [
{proId: 1, category: 'cat1'},
{proId: 5, category: 'cat7'},
];
for (var i = 0; i<productsArr.length; i++) {
if (cart.find(item => item.id === productsArr[i].proId)) {
productsArr.splice(i,1);
i--;
}
}
console.log(productsArr);