function to find length of array in javascript code example

Example 1: array length javascript

var numbers = [1, 2, 3, 4, 5];
var length = numbers.length;
for (var i = 0; i < length; i++) {
  numbers[i] *= 2;
}
// numbers is now [2, 4, 6, 8, 10]

Example 2: js array length

let desserts = ["Cake", "Pie", "Brownies"];
console.log(desserts.length); // 3