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.

How to Populate Text Fields From URL Variables. Many business websites use forms to capture user data. These forms use HTML markup and optionally JavaScript functions. Your website may use URL ...