Delete element from associative array

[a440guy]

How does one delete an element from an associative array? For example, I have:

var a = new Object();
a['title'] = 'Mr.';
a["fname'] = 'Brad';
a['lname'] = 'Johnson';

I want to remove the 'title' entry (so that it doesn't exist, not merely give it a null value).

[Blackbird42]

Just type

delete a['title'];

since title is just a property of a.

[Rambo Tribble]

You might wish to note that if the delete action is successful it returns true and that the property then becomes undefined.

[a440guy]

Ah! So simple. Thanks!