get size of array javascrio code example
Example 1: array length javascript
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 5
Example 2: js length of array
arr = ["a", "b", "c"];
len = arr.length; // 3