get length of array

1var numbers = [1, 2, 3, 4, 5];
2var length = numbers.length;
3for (var i = 0; i < length; i++) {
4  numbers[i] *= 2;
5}
6// numbers is now [2, 4, 6, 8, 10]
7

1var colors = ["Red", "Orange", "Blue", "Green"];
2var colorsLength=colors.length;//4 is colors array length 
3
4var str = "bug";
5var strLength=str.length;//3 is the number of characters in bug

1var arr = [10,20,30,40,50]; //An Array is defined with 5 instances
2
3var len= arr.length;  //Now arr.length returns 5.Basically, len=5.
4console.log(len); //gives 5
5console.log(arr.length); //also gives 5

1const clothing = ['shoes', 'shirts', 'socks', 'sweaters'];
2
3console.log(clothing.length);
4// expected output: 4

1let desserts = ["Cake", "Pie", "Brownies"];
2console.log(desserts.length); // 3

1// In Javascript
2var x = [1,2,3];
3console.log(x.length);