Object.defineProperty for all browsers?

Question

Asking about Object.defineProperty as demonstrated below:

function testComponent(){
    var testProperty;
    Object.defineProperty(this, \"testProperty\",
    {         


        

Answer 1

I've had this same question myself. (See here.) It doesn't look like it's fully possible in IE8 or lower. Otherwise the ES5 Shim is your best bet.