filter using two array of objects
const arr1 = [{id:'1',name:'A'},{id:'2',name:'B'},{id:'3',name:'C'},{id:'4',name:'D'}];
const arr2 = [{id:'1',name:'A',state:'healthy'},{id:'3',name:'C',state:'healthy'}];
const filterByReference = (arr1, arr2) => {
let res = [];
res = arr1.filter(el => {
return !arr2.find(element => {
return element.id === el.id;
});
});
return res;
}
console.log(filterByReference(arr1, arr2));javascript filter array multiple values
// use .filter and write multiple validations in the callback function
let numbers = [3, 7, 2, 15, 4, 9, 21, 14];
let filteredNumbers = numbers.filter(function (currentElement) {
if (currentElement > 3 && currentElement < 17) {
return true;
}
});
console.log(filteredNumbers);Copyright © 2021 Codeinu
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