Martin Letáček
Author's posts
Jun 05
OnBeforeUnload fun
Yesterday, we have encountered issues regarding window.onbeforeunload function. We have implemented checking of json transport issues, but this throws errors, when the page is beeing unloaded and we needed to hide these errors. So we implemented onBeforeUnload function, however we needed to preserve any previous onBeforeUnload functions. The issue here is that IE does not …