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JavaScript Tip: Using Timers

Timers are a way to add a dynamic aspect to your web pages. They can be used to create animations, open or close windows, pop up a message to the user, and even destroy a cookie for security purposes.

There are two types of timers: one that’s set once, and one that reoccurs over an interval. Both can be canceled, though the one-time timer method fires just once.

To create a nonrepeating timer, use the setTimeout method. It takes a minimum of two parameters: the function literal or function name to run the timer delay ends, and the length of the timer delay in milliseconds. Read more ›