js how to return an array 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: js array

const users = ["Mark", "Greg"];

Example 3: return array javascript

function func() {
  return [5, "string", {a: 7}];
}

Example 4: js fucntion return array

function BlockID() {
    var IDs = new Array();
        images['s'] = "Images/Block_01.png";
        images['g'] = "Images/Block_02.png";
        images['C'] = "Images/Block_03.png";
        images['d'] = "Images/Block_04.png";
    return IDs;
}