---
nav-title: "timer How-To"
title: "timer"
environment: nativescript
description: "Examples for using timer"
previous_url: /ApiReference/timer/HOW-TO
---
# Timer module
### How to require timer module
{%snippet timer-require%}

### Evaluates an expression after 0 milliseconds.
{%snippet timer-set-zero%}

### Evaluates an expression after a specified number of milliseconds.
{%snippet timer-set-fivehundred%}

### Cancels the evaluation with the clearTimeout method.
{%snippet timer-set-twothousands%}

### Evaluates an expression each time a specified number of milliseconds has elapsed.
{%snippet timer-set-expression%}

### Cancel the interval previously started using the setInterval method.
{%snippet timer-set-interval%}