JavaScript variables hold a wide variety of information and can be used with virtually any data type. Here's how to use variables to store numbers, text strings, objects, and more.

Developers use statements to control the overall program flow, including variable declarations, conditional operations, and iterative processes. Here's how to write JavaScript statements.

These forms use HTML markup and optionally JavaScript functions. Your website may use URL variables, which allow you to pass data items as part of the URL for a particular page. If the address of ...