Bug report: DOM manipulation causes constant and disruptive spam in browser console

Muta
Muta Posts: 2
in F-Secure KEY

Hey,

 

Firstly: This is mainly an issue for web developer.

 

Symptom:

The JavaScript console gets spammed the following:

Uncaught TypeError: Cannot read property 'indexOf' of undefined
    at HTMLBodyElement.<anonymous> (content.js:2)
    at HTMLBodyElement.dispatch (jquery.js:104)
    at HTMLBodyElement.k.handle (jquery.js:98)

Causes:

Webpack Hotmodule Reload or another substantial DOM manipulation event.

 

Impact:

Developer sanity is degraded.

 

Workaround:

Disable F-Secure KEY when developing in the browser.

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Accepted Answer

Comments

  • Laksh
    Laksh Posts: 4,444 Community Manager

    Hi Muta,

     

    Does it happen on some specific website only?

     

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  • Muta
    Muta Posts: 2

    This happens when developing websites. Have not encountered this on production sites, only on development sites with webpack or equivalent hot module reloading features enabled.

     

    I think this is an issue that happens because of the full DOM tree reload after the manipulation on Angular Universal. I haven't tried it on React or jQuery manipulations yet.

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