What is new in GM vis a vis JS

Just a query.

gm works on Javascript.

What does gm have that is NOT in JS.

What does gm NOT have that is in JS.

thanks.
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> What does gm have that is NOT in JS.

The methods prefixed "GM_" at http://diveintog
reasemonkey.org/api/

> What does gm NOT have that is in JS.

Native non-wrapped bindings to all the DOM (technically
available, but
not to be used for security reasons). Instead, mostly
everything in
the document object model is wrapped with XPC Native
Wrappers which
makes. Full story at
http://dunck.us/coll
ab/GreaseMonkeyUserScripts#head-4ac4d1e80f8bbd66bf4f1fbea77e
a2390b6a2870

-- 
 / Johan Sundström, http://ecmanaut.blogspo
t.com/
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