gtag Linker not working on JS form.submit()
Question
I used correct google tagging to enable cross-domain tracking. When the form is submitted by clicking on submit button the ?ga=... will be added to the destination URL but, it won't be added if I trigger the submit event by JS.
Code is as follows:
<head>
<script>
//All other common JS code exist
gtag('set', 'linker', {
'domains': ['example.com'],
'decorate_forms': true
});
gtag('config', 'UA-...');
</script>
</head>
<body>
<form method="POST" action="https://example.com/a/b">
<button type="submit">Submit</button>
</form>
<button id="bt">Click to submit form using JS</button>
<script>
$(document).on('click', '#bt', function(e){
$('form').submit();
});
</script>
</body>
If I add submit button to form and click on it directly the destination will be something like https://example.com/a/b?_ga=... . However, when I submit the form via JS, destination URL is just like the form action without GA appendix.
I have to note that I'm using gtag and not GTM.
1 answers
solution1
0 2019-04-24 12:56:52
It can be solved in two different ways:
Method 1 We can change the submit trigger to a click trigger on the submit button. Don't know why but, it solves the issue :)
$(document).on('click', '#bt', function(e){
$('form button[type="submit"]').trigger('click');
});
Method 2 We can handle anything we want in the submit event instead of the click event on some other button other than submit.
$(document).on('submit', 'form', function(e){
//Do your stuff and handle the event
return true;
});
Although the problem seems to be solved, the main question still exists and it seems it is pointing to a potential bug for gtag or jquery form.submit() . Therefore, if you can provide any solution or answer for the open question, go ahead and publish your post and I'll make your answer as a correct one.
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