To add a comment in your code, you start the comment you use the following sequence of characters: , such as in this It is also a good idea to use comments in your scripting code. This is to ensure that the code does not display as a text for browsers that do not have support for the client side scripting language. Here is an example: Note: To ensure that browsers do not render comments and handle them appropriately, make sure the comments begin with and do not contain – or > within the comment.