Get ID of element that called a function

Question

How can I get the ID of an element that called a JS function?

body.jpg is an image of a dog as the user points his/her mouse around the screen at different

Answer 1

For others unexpectedly getting the Window element, a common pitfall:

<a href="javascript:myfunction(this)">click here</a>

which actually scopes this to the Window object. Instead:

<a href="javascript:nop()" onclick="myfunction(this)">click here</a>

passes the a object as expected. (nop() is just any empty function.)