What is the best way to make my script submit two forms consecutively?

On my website, I have two pages, each with a form. When you submit the first form on the first page, you are redirected to the second page with the second form. How can I submit both forms using a single Greasemonkey script?

Here is a step-by-step guide:

  1. Open Page 1
  2. Click on the submit button for the first form
  3. Once the submit action takes you to Page 2
  4. Click on the submit button for the second form

It's important to note that both pages have the same URL, but Page 1 displays on a 'GET' request, while Page 2 shows on a 'POST' request. (Editor's note: These pages may use AJAX-powered forms or submit-to-same-page forms.)

javascriptajaxgreasemonkey

Answer №1

Include both URLs in the @include list and use this pseudo-code as a guide:

if (isUrl1) {
    submitFormAtUrl1;
} else {
    submitFormAtUrl2;
}

For instance:

// @include http://domain/page1.php
// @include http://domain/page2.php

...

if ("/page1.php" == location.pathname) {
    form1.submit();
} else {
    form2.submit();
}

Answer №2

To ensure that those specific forms are always clicked, you can implement a script similar to the one below. This method is effective even on pages with AJAX functionality, just like the one you have:

// ==UserScript==
// @name     _Click on either of 2 forms
// @include  {{{Page_A}}}
// @include  {{{Page_B}}}
// @require  http://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js
// @require  https://gist.github.com/raw/2625891/waitForKeyElements.js
// @grant    GM_addStyle
// ==/UserScript==
/*- The @grant directive is necessary to address a significant change in design
    introduced in GM 2.0.
    This directive restores the sandbox environment.
*/

waitForKeyElements ("FORM_1_SELECTORS", initiateFormSubmit);
waitForKeyElements ("FORM_2_SELECTORS", initiateFormSubmit);

function initiateFormSubmit (element) {
    var clickEvent  = document.createEvent ('MouseEvents');
    clickEvent.initEvent ('click', true, true);
    element[0].dispatchEvent (clickEvent);
}

Answer №3

If you need assistance with a coding example, one way to efficiently submit both forms simultaneously is to merge them into a single page. To maintain separate sections for each form visually, you could leverage jQuery to conceal the second part of the form until a button is clicked, subsequently hiding the initial section and unveiling the subsequent one.

Alternatively, you could opt to submit the initial form and then transfer all its inputs to hidden form elements on the server-side for the second page processing.

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