Question

I m confused with these colors. I noticed there are 4 colors showing in the left hand column of FireBug DOM tree:

Bold black
Black
Bold green
Green

In the right hand column:

Blue
Red
Bold green
Green
Multiple color elements representing object structures.

What do this colors represent? And why, e.g, I can access window.document.URL and I can t access window.document.body in Console even though they are both in the "not-bold black" category in the DOM tree?

Thanks a lot

Answer 1

After digging into it a little further I got the answer:

In the left column:

Black are properties and green are methods. Bold means the member was declared "by the user" meaning the members aren t from the default javascript/DOM framework.

In the right column:

Numbers are blue, strings are red. Objects appear as a "instance preview" in which the type name and the member names are green and the member values are gray

Answer 2

Here is the correct answer.

Bold Black                   Objects
Black                        DOM objects
get in gray                  "Getter" functions
Bold green                   User functions
Green                        DOM functions
Bold Red                     Constructor functions

Check out the link for more information.
Further info in the FAQ link.

Answer 3

From http://getfirebug.com/dom.html

Objects are color coded so that HTML elements, numbers, strings, functions, arrays, objects, and nulls are all easy to distinguish.

But I can t be bothered to lookup which color represents what. With this info I bet you can make that out yourself

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