[O] Can I use a custom mode for org-src-lang-modes and still get syntax highlighting?

[david wen riccardi-zhu]

I'm trying to get syntax highlighting with org-mode source blocks 
using a custom language mode for editing JavaScript. I use 
js2-mode with a bunch of minor modes, rather than js-mode, which 
is what org-mode uses by default.

I was able to get org-mode to use js2-mode for editing code by 
customizing org-src-lang-modes, where I set the Cons-cell for 
javacript to js2.

However, syntax highlighting has stopped working in the org buffer 
(it works fine in the source buffer). This is with 
org-src-fontify-natively set to true, which the documentation 
suggests is the only requirement.

Is there anything I'm missing?

Thank you,
David

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