事件处理程序出错：TypeError：加载页面时无法读取未定义的属性“apply”

Question

I am editing a codeIgniter application purchased online which have no support, everything is OK but javascript codes are not working, it keeps giving this error message

Error in event handler: TypeError: Cannot read property 'apply' of undefined at w.g.P (chrome-extension://ngpampappnmepgilojfohadhhmbhlaek/content.js:22:354) at w.g.na (chrome-extension://ngpampappnmepgilojfohadhhmbhlaek/content.js:4:214)

and when continue viewing the page it says

content.js:21 Uncaught Error: Attempting to use a disconnected port object at w.g.ka (content.js:21)

But actually in my directories I don't see the page named content.js

How can I solve this error? and finally have my javascript functions working? Thank you.

Answer 1

Thank you so much for contribution, I came to realize that problem was on my script arrangement, JavaScript had to start at the top of the page, so my problem solved by uninstalling IDM plugin from chrome and re-arranging the script.