Prevent the function set with the setTimeout() to execute:
<!DOCTYPE html> <html> <body> <button onclick="myFunction()">Test</button> <button onclick="myStopFunction()">Stop the alert</button> <script> var myVar;// w w w .ja v a 2 s . c o m function myFunction() { myVar = setTimeout(function(){ alert("Hello"); }, 3000); } function myStopFunction() { clearTimeout(myVar); } </script> </body> </html>
The clearTimeout() method clears a timer set with the setTimeout() method.
The ID value returned by setTimeout() is used as the parameter for the clearTimeout() method.
clearTimeout(id_of_settimeout);
Parameter Values
| Parameter | Description |
|---|---|
| id_of_settimeout | Required. The ID value of the timer returned by the setTimeout() method |
The clearTimeout() method has No return value.