title: how to add many values to one key in javascript object
body: <p>I have an object <code>var obj = {key1: "value1", key2: "value2"};</code> I want to add multiple values or array of values to key1 or key2 e.g
    <code>var obj = {key1: "arrayOfValues", key2: "value2"};</code> is it possible? basically I want to send it to php for process.</p>