Submit With Mouse Only

by nemesarial

HTML

<form onsubmit="return false;" method="post" action="">
  <input type="text" /><br />
  <input type="button" onclick="this.form.submit()" value="submit via mouse or keyboard" />
  <input type="button" onclick="submitMouseOnly(event)" value="submit via mouse only" />
</form>

JavaScript

window.submitMouseOnly=function(evt){
    	let allow=(evt instanceof MouseEvent) && evt.x>0 && evt.y>0 && evt.screenX > 0 && evt.screenY > 0;
    	if(allow)(evt.tagName=='FORM'?evt.target:evt.target.form).submit();
    }