javascript size array
let array = [1, 2, 3];
console.log(array.length);javascript size array
let array = [1, 2, 3];
console.log(array.length);typescript count array condition
let data = [ { "id": 1, "is_read": true, }, { "id": 2, "is_read": true, }, { "id": 3, "is_read": false, }, { "id": 4, "is_read": true, }, ],
length = data.filter(function(item){
return item.is_read;
}).length;
console.log(length)Copyright © 2021 Codeinu
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