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 var fruits = ["Banana", "Orange", "Apple", "Mango"];
fruits.length; var arr = [10,20,30,40,50]; //An Array is defined with 5 instances
var len= arr.length; //Now arr.length returns 5.Basically, len=5.
console.log(len); //gives 5
console.log(arr.length); //also gives 5var nums = new Array();
nums[0] = 1;
nums[1] = 2;
print(nums.length); // displays 2