JavaScript clearInterval method is used to clears the interval which has been set by setInterval() function before that. A setInterval() method is return id which will used as the parameter for the clearInterval() method.
Syntax
clearInterval(var)
Parameter Values
| The id of the timer returned by the setInterval() method |
Example of Javascript clearInterval() Method
setInterval() method execute the “myTimer” function once every 1 second and display it in p Tag. You can stop the timer by press the button, myStopFunction will call.
<!DOCTYPE html>
<html>
<body>
<p id="demo"></p>
<button id="btn" onclick="myStopFunction()">Stop</button>
<script>
var myVar = setInterval(myTimer, 1000);
function myTimer() {
var d = new Date();
var t = d.toLocaleTimeString();
document.getElementById("demo").innerHTML = t;
}
function myStopFunction() {
clearInterval(myVar);
}
</script>
</body>
</html> Output:
How to clear all intervals javascript?
You could do like
var interval_id = window.setInterval("", 9999); // Get a reference to the last
// interval +1
for (var i = 1; i < interval_id; i++)
window.clearInterval(i);
//for clearing all intervalsDo comment if you have any questions and doubts on this tutorial.
Note: The All JS Examples codes are tested on the Safari browser (Version 12.0.2) and Chrome.
OS: macOS 10.14 Mojave
Code: HTML 5 Version