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Stop a Function During Its Execution in JavaScript
To stop a function during its execution, use the concept of −
document.getElementById().addEventListener().
Example
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<link rel="stylesheet" href="//code.jquery.com/ui/1.12.1/themes/base/jquery-ui.css">
<script src="https://code.jquery.com/jquery-1.12.4.js"></script>
<script src="https://code.jquery.com/ui/1.12.1/jquery-ui.js"></script>
</head>
<body>
<button type="button" id="call">Call the function</button>
<button type="button" id="halt">Stop the function execution </button>
<script>
document.getElementById("call").addEventListener("click", callFunction);
document.getElementById("halt").addEventListener("click", haltFunction);
var timeValue = null;
function callFunction() {
timeValue = setInterval(function() {
console.log("The call() is being executed....");
}, 1000);
}
function haltFunction() {
clearInterval(timeValue);
}
</script>
</body>
</html>
To run the above program, save the file name anyName.html(index.html) and right click on the file and select the option open with live server in VS code editor.
Output
When you click Call the function button, it will execute the function. To stop the function, click Stop the function execution button.
The snapshot is as follows −
Updated on: 2020-07-16T07:04:12+05:30
4K+ Views
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