---
nav-title: "timer How-To"
title: "timer"
description: "Examples for using timer"
previous_url: /ApiReference/timer/HOW-TO
---
# Timer module
### How to require timer module
<snippet id='timer-require'/>

### Evaluates an expression after 0 milliseconds.
<snippet id='timer-set-zero'/>

### Evaluates an expression after a specified number of milliseconds.
<snippet id='timer-set-fivehundred'/>

### Cancels the evaluation with the clearTimeout method.
<snippet id='timer-set-twothousands'/>

### Evaluates an expression each time a specified number of milliseconds has elapsed.
<snippet id='timer-set-expression'/>

### Cancel the interval previously started using the setInterval method.
<snippet id='timer-set-interval'/>