Bug ID 501494: if window.onload is assigned null, then null should be retrieved

Last Modified: Nov 07, 2022

Bug Tracker

Affected Product:  See more info
BIG-IP APM(all modules)

Known Affected Versions:
11.6.0, 11.6.0 HF1, 11.6.0 HF2, 11.6.0 HF3, 11.6.0 HF4, 11.6.0 HF5

Fixed In:
12.0.0, 11.6.0 HF6

Opened: Jan 17, 2015
Severity: 3-Major


After window.onload=null, non null value is returned from window.onload.


Web application logic can be broken.


Web application that assigns null to window.onload and expects to obtain null in window.onload then.



Fix Information

After window.unload=null, null is returned by getting value of window.onload;

Behavior Change