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.

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 ...

I send a variable (the score of a game) to a different PHP page after the player finishes playing this game. That score is then added to their total score. The problem is, that if you refresh the ...