Isotope is not defined

In the https://unpkg.com/isotope-layout@3.0.6/dist/isotope.pkgd.min.js isotope package, there is an error occurred Uncaught ReferenceError: Isotope is not defined

Uncaught SyntaxError: Invalid regular expression: missing / (at isotope.pkgd.min.js:12:543)

This gives error at this line :

var i=h(t).split(" "),o=i[0],n=o.match(/^\[(.+)\]$/),s=n&&n[1],r=e(s,o),a=d.sortDataParsers[i[1]];

And at view source of the js page at website it shows below result to me :

var i=h(t).split(" "),o=i[0],n=o.match(/^\[(.+)\àã™êU��àã™êU������������������°7êU����������0_˜êU��Hä™êU�����������ä™êU��u�������ä™êU����������

What's the meaning of this?

I tried so many things but nothing worked...

How can I fix this issue...

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