JavaScript access CSS class by its name?

Question

I have to access CSS class by name, and the code below works. However if I try hui[\"myclass\"] or hui[\".myclass\"] instead of hui[0]

Answer 1

Yes, Bergi is right:
You first have to build an index for the style list.
BUT take care:
If there is more than 1 stylesheet you first have to loop over the stylesheets. So I like to improve Bergis solution:

var styleBySelector = {};
for (var j=0; j