How to link external javascript file onclick of button

Question

The javascript file is there in Public/Scripts/filename.js. I have a template file in template/form.tmpl.html. Root folder contains Public and template folders

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Answer 1

I have to agree with the comments above, that you can't call a file, but you could load a JS file like this, I'm unsure if it answers your question but it may help... oh and I've used a link instead of a button in my example...

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