onload-event – Tarik Billa

Uncaught ReferenceError: _gaq is not defined (Google Analytics)

December 12, 2023 by Tarik

From https://developers.google.com/analytics/devguides/collection/gajs/ this code replaces your existing “traditional snippet” with the “latest, asynchronous version, you should remove the existing tracking snippet first.” <script type=”text/javascript”> var _gaq = _gaq || []; _gaq.push([‘_setAccount’, ‘UA-XXXXX-X’]); _gaq.push([‘_trackPageview’]); (function() { var ga = document.createElement(‘script’); ga.type=”text/javascript”; ga.async = true; ga.src = (‘https:’ == document.location.protocol ? ‘https://ssl’ : ‘http://www’) + ‘.google-analytics.com/ga.js’; var … Read more

Add event handler for body.onload by Javascript within part

August 18, 2023 by Tarik

body.addEventListener(“load”, init(), false); That init() is saying run this function now and assign whatever it returns to the load event. What you want is to assign the reference to the function, not the result. So you need to drop the (). body.addEventListener(“load”, init, false); Also you should be using window.onload and not body.onload addEventListener is … Read more

When to use “window.onload”?

March 31, 2023 by Tarik

The other answers all seem out of date First off, putting scripts at the top and using window.onload is an anti-pattern. It’s left over from IE days at best or mis-understandings of JavaScript and the browser at worst. You can just move your scripts the the bottom of your html <html> <head> <title>My Page</title> </head> … Read more

iFrame onload JavaScript event

March 29, 2023 by Tarik

Use the iFrame’s .onload function of JavaScript: <iframe id=”my_iframe” src=”http://www.test.tld/”> <script type=”text/javascript”> document.getElementById(‘my_iframe’).onload = function() { __doPostBack(‘ctl00$ctl00$bLogout’,”); } </script> <!–OTHER STUFF–> </iframe>

What setup code should go in Form Constructors versus Form Load event?

March 29, 2023 by Tarik

Programmers that have worked with VB6 tend to put a lot of code in the Load event, in VB6 that event was used to initialize the form. But that’s not appropriate anymore in Windows Forms, the Form class can have a constructor. The .NET way is to initialize class objects in the constructor, there are … Read more

JavaScript event window.onload not triggered

March 11, 2023 by Tarik

I think what’s probably happening here is that your window.onload is being overridden later, check to make sure that it’s not via things like <body onload=””> You can check this by alert(window.onload) in your re-size function, to see what’s actually attached there.