To delay a function call, use setTimeout() function.
setTimeout(functionname, milliseconds, arg1, arg2, arg3...)
The following are the parameters −
functionname − The function name for the function to be executed.
milliseconds − The number of milliseconds.
arg1, arg2, arg3 − These are the arguments passed to the function.
Example
You can try to run the following code to delay a JavaScript function call with a setTimeout() callback.
<!DOCTYPE html>
<html>
<body>
<button onclick="timeFunction()">Submit</button>
<script>
function timeFunction() {
setTimeout(function(){ alert("After 5 seconds!"); }, 5000);
}
</script>
<p>Click the above button and wait for 5 seconds.</p>
</body>
</html>