highlight menu on scrolling (if reach div)

Question

i want highlight the menu point if the div is scrolled // or clicked.

http://jsfiddle.net/WeboGraph/vu6hN/2/ (thats an example what i want)

my code: (JS)

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Answer 1

Found this in 2018 and ran into a syntax error trying to replicate with a more recent version of jquery (+1.0). In the last line $('nav a[href=#'+ id +']') the attribute is not properly escaped and needs to be like so $('nav a[href="#'+ id +'"]') (note added "").

Here's where I found this https://api.jquery.com/attribute-contains-selector/