Remove html element using Javascript

Here is some links that shows how to remove html element.

(1) Snippets : Add and Remove Elements / The JavaScript Source

(2) FREE JavaSCRIPT - Remove Html tags textarea - Strip tag, delete links text box java script

(3) Add/Remove HTML element - JavaScript - Snipplr

(4) Add and Remove Elements with JavaScript (reprise)

(5) Add and Remove HTML elements dynamically with Javascript