<!DOCTYPE html>
<html lang="en-US">
<body>
<button id="myBtn" onclick="myFunction()">Click Me</button>
<p ondblclick="myDblClick()">Double Click Me</p>
<script>
function myFunction(){
alert("Hello");
}
function myDblClick(){
var x = document.createEvent("MouseEvent");
x.initMouseEvent("click", true, true, window, 0, 0, 0, 0, 0, false, false, false, false, 0, null);
document.getElementById("myBtn").dispatchEvent(x);
}
</script> </body>
</html>