Why can I change HTMLMediaElement.prototype.play from console, but not via user script?
111203
Injecting JS functions into the page from a Greasemonkey script on Chrome
54752
How to make an HTML  element editable cross-browser?
128190
I need to Play .M4V foramt audio from url, Problem with playing .M4V format
85963
Is it ok to assign the JavaScript prototype object instead of just its properties?
136223
How to make Google Chrome JavaScript console persistent?
23714
How may I reference the script tag that loaded the currently-executing script?
132011
Stop automatic video play in Firefox
77441
How to listen for changes to the title element?
152288
How can I change media volume when no media is being played?
101399
VideoJS 4 native controls now default on mobile?
79898
Changing Android's default MediaPlayer User-Agent string
140147
How do I compile a C# script at runtime and attach it as a component to a game object
33465
How can I play sound in Java?
115135
changing source on html5 video tag
39473
How can I set the speed of manipulate play button?
73852
How do I enable MP3 preview?
98813
Is it Possible to Dynamically Change Object Materals?