access value from array in javascript code example

Example 1: how to get element of an array in javascript

var value = [a,b,c,d];

var value_b = value[1];

Example 2: 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]);
}