问题
Hi every one I have built a web application using asp which includes a little bit of jquery from bootstap (boorstrap-dropdown.js).
for some other project which is lower version than the project I developed, I changed the version from 4 to 3.5.
Now I am getting an errors
"Microsoft JScript runtime error: Unable to get value of the property 'fn': object is null or undefined"
"Microsoft JScript runtime error: Object expected"
"Microsoft JScript runtime error: Object doesn't support property or method 'collapse'"
Thank you
回答1:
It seems you have a conflict between jquery and other js library. Take a look to noConflict instruction to see if this fixes the problem for you.
来源：https://stackoverflow.com/questions/10604228/version-change-jquery-error