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bootstrap 4 - Uncaught TypeError: Cannot convert object to primitive value(zone-evergreen.js:171)

In Angular 9 (using Bootstrap 4 and Jquery 3.5.1). when clicking on bootstrap collapse button, I am getting an error on my browser console instead of a dropdown menu.

I really don't know where exactly the error came from.

Can't convert object to primitive value(zone-evergreen:171).


Uncaught Type Error: Cannot convert object to primitive value(zone-evergreen.js:171 )
    at RegExp.test (<anonymous>)
    at HTMLDivElement.<anonymous> (bootstrap.bundle.min.js:6)
    at Function.each (jquery.min.js:2)
    at S.fn.init.each (jquery.min.js:2)
    at S.fn.init.a._jQueryInterface [as collapse] (bootstrap.bundle.min.js:6)
    at HTMLDivElement.<anonymous> (bootstrap.bundle.min.js:6)
    at Function.each (jquery.min.js:2)
    at S.fn.init.each (jquery.min.js:2)
    at HTMLButtonElement.<anonymous> (bootstrap.bundle.min.js:6)
    at HTMLDocument.dispatch (jquery.min.js:2)
question from:https://stackoverflow.com/questions/61177140/uncaught-typeerror-cannot-convert-object-to-primitive-valuezone-evergreen-js1

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This issue seems to be related to jQuery 3.5.0. It is a breaking change that affects many plugins. Temporarily reverting to a previous version of jQuery (like 3.4.1) fixed the issue for me.

Source: jQuery Issue #4665

Update:

jQuery 3.5.1 reverts the breaking change and should be safe to use.

Announcement: jQuery 3.5.1 Released: Fixing a Regression


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