Difference between setTimeout with and without quotes and parentheses

Question

I am learning JavaScript and I have learned recently about JavaScript timing events. When I learned about setTimeout at W3Schools, I noticed a strange figure wh

Answer 1

Totally agree with Joseph.

Here is a fiddle to test this: http://jsfiddle.net/nicocube/63s2s/

In the context of the fiddle, the string argument do not work, in my opinion because the function is not defined in the global scope.