Fix javascript issue on a Wordpress website in Internet Explorer + check other browser compatibility

I need someone to help me with a (what we think) javascript issue on our Wordpress website. We have a custom registration page for a Webinarjam webinar where we embed an external button that triggers the popup registration form.

The page with the issue (check the orange button): [url removed, login to view]

There are two issues:

1) in Internet Explorer, the popup does not load. Clicking the button does nothing. We need help to fix this.

2) the popup appears in Chrome, Firefox, Safari (see attached screenshot) but you have to click the button a few times before it appears (this is a minor issue, and maybe unresolvable since it's the javascript that is loading?)

General support information about this (but we can't find the solution to our problem here): [url removed, login to view]

Skills: CSS, HTML, Javascript, PHP, Wordpress

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About the Employer:
( 15 reviews ) Leuven, Belgium

Project ID: #15598519

83 freelancers are bidding on average €15/hour for this job


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(387 Reviews)

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