Looking for a way to safely load a third-party script file that might contain an infinite loop without hanging the page? I attempted to call the javascript file within an updatepanel on button click, but encountered issues with the page still freezing. Even placing it in an iframe did not resolve the problem of the page becoming unresponsive.
Is there truly no method to terminate an infinite loop once it has already initiated?
Instead of adding handling to a bug that has already been fixed, trust in the solution provided and consider implementing Unit Tests for secure bug testing.
If you still suspect the bug persists, creating a small test example (such as a unit test) to send to the third party may lead to a more effective fix.
To troubleshoot your script file, insert the debugger; command at the beginning of the method that is being executed in Google Chrome for easy debugging. Press F12 to activate the debugger tool, which will pause script execution at the line with the debugger; so you can analyze it step by step.
If your script runs into an infinite loop, the Chrome tab may crash with an "Aw, Snap!" message. Check the call stack to identify the problematic method causing the issue.
One potential method to consider is utilizing Web Worker to execute your JavaScript code within it. If there is no response after a period of time, you can use worker.terminate() to stop it.
It's important to note that web workers have certain limitations, such as the inability to access UI elements from within the worker scope and lack of support in older browsers.
I cannot guarantee that a web worker is the best solution for your situation, but it could be an option worth exploring.
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