Text animation - problem with jquery around video

I am trying to make animation effect on my site-title. Unfortunately, I am getting some unknown errors in jquery and because of that I am not able to debug my js file.
Can you please help me?


Edit: I have made my own animation.js file in jquery in Wp-include folder.
I bet that I have to run Grunt complilation to make it running.
When I try to show tasks of grunt from this place:
I get this error:

Do I have to run the task for compilation of my new JS file or not?

This shall make things easier:

hey there

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