JavaScript get clipboard data on paste event (Cross browser)

Question

How can a web application detect a paste event and retrieve the data to be pasted?

I would like to remove HTML content before the text is pasted into a rich text edi

Answer 1

Simple solution:

document.onpaste = function(e) {
    var pasted = e.clipboardData.getData('Text');
    console.log(pasted)
}