Object.defineProperty(
Object.prototype,
'renameProperty',
{
writable : false, // Cannot alter this property
enumerable : false, // Will not show up in a for-in loop.
configurable : false, // Cannot be deleted via the delete operator
value : function (oldName, newName) {
// Check for the old property name to
// avoid a ReferenceError in strict mode.
if (this.hasOwnProperty(oldName)) {
this[newName] = this[oldName];
delete this[oldName];
}
return this;
}
}
);
var obj = {
test1: 'blah1',
test2: 'blah2',
test3: 'this value gonna disappear'
}
obj.renameProperty('test2', 'test3')
console.log(JSON.stringify(obj))
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