how to make an array from type x in nodejs 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: array in js

function Array() { return []; }

alert(Array(1, 2, 3)); // An empty alert box