# Window clearInterval() Method

Window Object

## Example

Display the current time (the setInterval() method will execute the function once every 1 second, just like a digital watch). Use clearInterval() to stop time:

var myVar = setInterval(function(){ myTimer() }, 1000);
function myTimer() {
var d = new Date();
var t = d.toLocaleTimeString();
document.getElementById("demo").innerHTML = t;
}
function myStopFunction() {
clearInterval(myVar);
}
Try it yourself »

More "Try it Yourself" examples below.

## Definition and Usage

The clearInterval() method clears a timer set with the setInterval() method.

The ID value returned by setInterval() is used as the parameter for the clearInterval() method.

Note: To be able to use the clearInterval() method, you must use a global variable when creating the interval method:

myVar = setInterval("javascript function", milliseconds);

Then you will be able to stop the execution by calling the clearInterval() method.

## Browser Support

The numbers in the table specify the first browser version that fully supports the method.

Method |  |  |  |  |
--- | --- | --- | --- | --- | ---
clearInterval() | 1.0 | 4.0 | 1.0 | 1.0 | 4.0

## Syntax

clearInterval(id_of_setinterval)

## Parameter Values

Parameter | Description
--- | ---
id_of_setinterval | Required. The ID of the timer returned by the setInterval() method

## Technical Details

Return Value: | No return value

## More Examples

## Example

Toggle between two background colors once every 300 milliseconds, until it is stopped by clearInterval():

var myVar = setInterval(function(){ setColor() }, 300);
function setColor() {
var x = document.body;
x.style.backgroundColor = x.style.backgroundColor == "yellow" ? "pink" : "yellow";
}
function stopColor() {
clearInterval(myVar);
}
Try it yourself »

## Related Pages

Window Object: setInterval() Method

Window Object: setTimeout() Method

Window Object: clearTimeout() Method

Window Object

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