find length of an array code example

Example 1: js length of array

arr = ["a", "b", "c"];
len = arr.length; // 3

Example 2: length of array in js

var numbers = [1, 2, 3, 4, 5];
var length = numbers.length;
for (var i = 0; i < length; i++) {
  numbers[i] *= 2;
}

Example 3: get length of an array javascript

const { BrowserWindow } = require('electron')

const win = new BrowserWindow()
win.webContents.openDevTools()