Remove Alert box before it pops up
59428
How to override the alert function with a userscript?
2478
How to override Drupal.ajax.prototype.beforeSend?
74802
How do I show an alert dialog only on the first run of my application?
124410
Using a Swing Timer to hide a notification temporarily
111639
Add a way to dismiss the "Internet Explorer is no longer supported" banner
138841
Disable / Turn Off Windows 7 Search Prompt / Warning Banner About Indexing
10419
How to remove "get info" sidebar in a finder window?
95148
How can I suppress the browser's authentication dialog?
60086
Make the chat link one click away in the new top bar
6487
How to prevent a page break before an itemize list?
107561
How can change a styling of javascript alert button?
139739
Is it possible to remove/hide the "New" button?
39072
Changing the default title of confirm() in JavaScript?
101805
How to remove all listeners in an element?
899
Remove rogue app from menu bar
33269
Break javascript before an inline javascript redirect in Chrome
158628
Delay pop-up for 10 seconds, only pop up once