Oct 16, 2008 · To remove a property from an object (mutating the object), you can do it by using the delete keyword, like this:

The delete operator deletes only a reference, never an object itself. If it did delete the object itself, other remaining references would be dangling, like a C++ delete. (And accessing one of them …

The purpose of the delete operator is to completely remove a property from an object, whereas setting a property to undefined just sets the property to undefined.

How to remove item from a JavaScript object [duplicate] Asked 14 years, 6 months ago Modified 5 years, 10 months ago Viewed 496k times

3219 The delete operator allows you to remove a property from an object. The following examples all do the same thing.

How do I remove a specific value from an array? Something like: array.remove(value); Constraints: I have to use core JavaScript. Frameworks are not allowed.

The delete operator removes a property from an object. You might remove a property if you don't want it included in data sent to a server, or used by other code, e.g., something that …

With a JavaScript Array, I can reset it to an empty state with a single assignment: array.length = 0; This makes the Array "appear" empty and ready to reuse, and as far as I understand is a single "

May 11, 2013 · 29 No, you can not delete the result of a function declaration. This is a part of the language specification. If you check out the description of the delete operator in JavaScript: If …

Jan 5, 2010 · Wrote a small article about inserting and deleting elements at arbitrary positions in Javascript Arrays. Here's the small snippet to remove an element from any position.