How to get video tag src using JavaScript?

Question

I am trying to get video URL using JavaScript. Code is ...

Answer 1

Dan's answer didn't work for me, I had to change src to currentSrc, i.e.:

var videoTags = document.getElementsByTagName('video')
 for( var i = 0; i < videoTags.length; i++ ){
      alert( videoTags.item(i).currentSrc )
}