jQuery prevent event propagation and stopEventPropagation explained

Yesterday I was implementing (AGAIN) a custom dialog-popup box for a wordpress theme so I choose to go for a javascript class to handle all the stuff, with the help of jQuery.

 While writing the close dialog code I fell in a black out moment and I wasn't able to remember what was the name of the jQuery function to prevent click propagation from childrem DOM elements to parent. Of course my (perfectly looking) dialog was firing the onClick event of the parent even when the dialog content was clicked.

While doing my usual jQuery website digging I found that a lot of people struggle with the problem of click propagation, even if the jQuery library has a stopPropagation function that SOUNDS perfect for that task....but...