JS use onerror to catch exceptions sample _javascript tips

The example of this article describes the way JS uses onerror to catch exceptions. Share to everyone for your reference, specific as follows:

If you need to take advantage of the OnError event, you must create a function that handles the error. You can think of this function as the OnError event handler (onerror events handler). This event handler uses three parameters to invoke: Msg (error message), URL (URL of the page where the error occurred), line (lines of code where the error occurred).

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I hope this article will help you with JavaScript programming.