Javascript detect static  load failues
60028
How to tell if a  tag failed to load
126232
Controlling when the Static Constructor is called
109927
JavaScript null check
16361
When an application crash without output an error, is there a log that i can check?
103118
Check if a node.js module is available
576
How can I check for an empty/undefined/null string in JavaScript?
60634
How do you force Chrome pages/tabs to crash using JavaScript?
48284
Test if a website is alive from a C# application
73081
Is there a way in javascript to detect if the unload event is caused via a refresh, the back button, or closing the browser?
78036
What is "load" in System Load Indicator?
54807
How can I detect when an Exception's been thrown globally in Java?
99842
Check if images are loaded?
92315
Best practice for using window.onload
153789
How to determine if a PHP file is loaded via cron/command line
105383
Testing for mysterious load errors in python/django
33282
How can I debug my JavaScript code?
110829
The "proper" way to test if a service is running in a script