a error about "_click_handler is not defined "

[tutuwu2019]

the descriptions is
"
Uncaught ReferenceError: _click_handler is not defined
at HTMLInputElement.onclick
"
the decrypt.js is not touch in xxx.html that the xxx.html is encryptor text

and find google about hugo add .js/css but not useful

if you have some suggesion, please contact with me!

thank you!