Auto complete in intellij ide for java script

Make sure JavaScript plug-in is enabled and .js files are associated with it.

Please try File | Invalidate Caches | Invalidate and Restart.

Contact support with idea.log (https://intellij-support.jetbrains.com/entries/23352446) and a sample project if the issue persists: https://intellij-support.jetbrains.com/home/ .

"Make sure JavaScript plug-in is enabled and .js files are associated with it."

the plugin is enable
How should I do the association ,please provide the steps...
In addtion this IDE is working too slow, when I type quick I have annoying delay...

Thanks!

Firstly, I do believe code completion is case sensitive. So typeing "element" with a lowercase 'e', will not bring up the suggestions drop-down. Typing "Element" with an upper-case 'E' will.

Second, Ensure you haven't disabled the keybinding for this option. I suggest going under your Preferences -> Appearance and Behavior -> Keymap, and then make a "test" preferences at the top by copying your current preferences to test new changes in, that way you don't need to backtrack if you accidently mess something up when you change multiple things.

Below is a picture of the capital 'E' situation of what happens when I do this. Along with the binding you'll be looking for to revert this to get the drop-down box.

I hope I'm right about this.

Let me know!

See http://stackoverflow.com/a/13374653/104891 .

Regarding performance issues please refer to https://intellij-support.jetbrains.com/entries/29983118 .

Thanks but this was not helped
Any other idea ?

Thanks in advance.

Contact support with the log, sample project and CPU snapshots.