how to find array length 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: javascript size array

let array = [1, 2, 3];
console.log(array.length);

Example 3: js array of length

//initializes an empty array of length 4
new Array(4);

Example 4: length of an array javascript

array.length

Example 5: js length of array

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