The trigger function returns a true form before submitting the form before submission

This article mainly introduces the form before submitting the trigger function when returns a true form will be submitted to the concrete implementation, need friends can refer to the following

Look directly at the code code as follows: <form id= "Payform" action= "yeepaypay.html" target= "_blank" method= "post" onsubmit= "return Checkform ();"  The onsubmit function in the > example is the function code that triggers the form before it is submitted: a function checkform () {var value = $ ("input[name= ' Payway ']:checked"). Val ();  if (value = = 1) {$ ("#alipayment"). Submit ();  return false;  return true; If a true form is returned, it will not be submitted.