js amount of element in array 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: javascript size array
let array = [1, 2, 3];
console.log(array.length);