The button "Switch Syntax" in the documentation is not working due to a JS error

[kossidts]

The button that performs the changeSyntax function to switching the between html and consise syntax is not working.

The console panel of Chrome (version 76.0.3809.132 on MacOs Sierra) shows the error:
Uncaught TypeError: n.closest is not a function at docs-1115a40e.js:70

[ghost]

OS | Linux Mint 19.2

Vivaldi | 2.8.1664.32 (64-bit) - JavaScript | V8 7.7.299.11
Chrome/77.0.3865.78
Opera 63.0.3368.94
--------------
Uncaught TypeError: Cannot read property 'pause' of undefined
    at u.changeSyntax (docs-1115a40e.js:116)
    at p (docs-1115a40e.js:14)
    at HTMLBodyElement.e.<computed>.o.addEventListener.e.<computed> (docs-1115a40e.js:14)

Firefox Developer Edition 70.0b7 (64-bit)
--------------
TypeError: o is undefined 2 docs-1115a40e.js:116:399
    Marko 3
        changeSyntax
        p
        t

[DylanPiercey]

Fixed for a while, sorry for the delay closing the issue!