object..defineProperties()
HTML
<script src=" https://getfirebug.com/firebug-lite-debug.js"></script>
JavaScript
var obj = {};
Object.defineProperties(obj, {
"property1": {
value: true,
writable: true
},
"property2": {
value: "Hello",
writable: false
}
// etc. etc.
});
console.log(obj.property2)
console.log(obj.property1)