size of a js array 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 length
var colors = ["Red", "Orange", "Blue", "Green"];
var colorsLength=colors.length;//4 is colors array length
var str = "bug";
var strLength=str.length;//3 is the number of characters in bug