How to register event in pug file?

[KirovAI]

Here pug code:
input#inputFocus(type='text', onblur="checkFocus()", data-len='5')

Pug generate correct html code but not registered events....


Strange

[webdiscus]

What is the TestAV?
Can you share completely code of JS file where is defined the checkFocus()?

Pug is no framework, you don't need to register in Pug an event. You can write into Pug attributes any JS code as the string, that will be run in a browser.

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The reference error say what the checkFocus() function is not found in your JS code. How do you load the source JS file in Pug?

[KirovAI]

I write next simple code for clarity of understanding the issue
pug code(another.html):

doctype html
html(lang="en")
  head
    meta(charset="UTF-8")
    meta(http-equiv="X-UA-Compatible" content="IE=edge")
    meta(name="viewport" content="width=device-width, initial-scale=1.0")
    title Document
  body
    script(src=require("../js/script.js"))
    h1(onclick="TestAv()") PUG templating engine
    div#root

js code(script.js):

function TestAv(){
  alert("work");
}

Error:

I encounter this issue when register in pug any event and trigger it, but other js code executing fine and works. Does it even possible or pug doesnt provide it?