Why does my one link at CodePen just loads to a white page?

[wost]

I tried adding some simple JS functionality to my page at CodePen, but I just can’t seem to get past this one problem: the one link in my CodePen-page just goes to a white page for some reason. I have no idea why this even happens. I tried adding preventDefault(), but that didn’t work either.

What have I done wrong? All my other links goes to nothing, as they should. It’s just this one link in my mobile layout. Not even the console log works, strangely enough.
Codepen: https://codepen.io/wostensen/pen/jarJVB/

[Shikkediel]

It’s because the element also has an inline event inside the HTML itself:

onclick="open();"

https://www.w3schools.com/jsref/met_win_open.asp

Binding events directly precedes the addEventListener method:

codepen.io/anon/pen/eeEVBG

So that’ll work despite the inline event (it overwrites it).

[Author]

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