how to access items in a list in javascript code example

Example 1: javascript array

//create an array like so:
var colors = ["red","blue","green"];

//you can loop through an array like this:
for (var i = 0; i < colors.length; i++) {
    console.log(colors[i]);
}

Example 2: javascript associative array

/*
Associative array in javascript
There are multiple programming supports array and arrays is having different types i.e
1. Index Array
2. Associative Array
3. Multidimentional Array

But as question asked javascript does not support associative array with named indexes.
Javascript only use numbered indexes in arrays.
*/

Example
var studentDetail = [];
studentDetail[0] = "Code";
studentDetail[1] = "Grepper";
studentDetail[2] = 24;
studentDetail[3] = 'Mumbai';
var x = studentDetail.length;     // studentDetail.length will return 4
var y = studentDetail[1];         // studentDetail[0] will return "Grepper"

/*
I hope it will help you.
Namaste
Stay Safe Stay Home
*/