• Status: Solved
  • Priority: Medium
  • Security: Public
  • Views: 226
  • Last Modified:

How do I intercept all page postbacks in jquery before they occur?

Hi:

I've got of client side processing on a web page which needs to be completed before the page posts back to the server.
There are several operations on the page which could result in a postback, so I would like to universally intercept the postback on the client side before it occurs, complete some processing and proceed with the postback.

What is the best way to do this in jquery?

Thanks,
JohnB
0
jxbma
Asked:
jxbma
1 Solution
 
leakim971PluritechnicianCommented:
var notDone = true;
jQuery(function($) {
   $("form").submit(function(evt) {
       if(notDone) {
           evt.preventDefault();
           // do what you need here SYNCHRONOUSLY, I mean no timer, no Ajax call
           // do what you need here SYNCHRONOUSLY, I mean no timer, no Ajax call
           // do what you need here SYNCHRONOUSLY, I mean no timer, no Ajax call
           // do what you need here SYNCHRONOUSLY, I mean no timer, no Ajax call
           notDone = false;
           $(this).submit();
       }
   });
});

Open in new window

0
 
Hans LangerCommented:
if you are using $.ajax({..}) you can set the properties off all the calls that you will use with "$.ajax" function.

I.E.:
$.ajax({beforeSend:function(jqXHR,settings){
//DO SOMETHING BEFORE SEND THE DATA TO THE SERVER
}})

Open in new window

if its only a page that have forms then you can just set the "submit" event of the forms.
$('form').submit(function(){
//your process
//return false to cancel the submit
//return true to proceed with the submit
})

Open in new window

0
 
jxbmaSoftware ConsultantAuthor Commented:
Ultimately, this was the solution I chose to go with.

Thx
0
Question has a verified solution.

Are you are experiencing a similar issue? Get a personalized answer when you ask a related question.

Have a better answer? Share it in a comment.

Join & Write a Comment

Featured Post

What Kind of Coding Program is Right for You?

There are many ways to learn to code these days. From coding bootcamps like Flatiron School to online courses to totally free beginner resources. The best way to learn to code depends on many factors, but the most important one is you. See what course is best for you.

Tackle projects and never again get stuck behind a technical roadblock.
Join Now