Toggleclass doesn't seem to toggle class, what am I doing wrong?

I've been trying to make a button toggle a class, as well as show another div below it.

Here is a jsFiddle example I have made for you.

The first function works perf开发者_JAVA技巧ectly, shows and hides the div, but also I want the button itself to add and remove a class, I thought this would work but I seem to be doing something wrong.

Thanks.

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$("this").toggleClass("chev-up");

should be

$(this).toggleClass("chev-up");

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Change $("this") to $(this). You don't need the quotation marks in there, as this is a keyword that refers to itself.