Web
Web Proxy
$50 per license: Charles Proxy. It recognizes Protocol Buffers.
Debugging unknown Handlers
https://developers.google.com/web/updates/2015/05/get-and-debug-event-listeners
Steps:
get to element. For example:
var el = document.getElementByID(‘elmentId’)
set debug on one of the listeners. For example, onclick event handler is accessed with:
debug(el.click[0].listener)
Example of Working with Data URLs
In Chrome browser URL address bar:
data:text,plain;base64,and_type_base64_encoded_string_here
data:text,plain;base64,QmFzaWMgQXV0aGVudGljYXRpb24gYW5kIEF1dGhvcml6YXRpb24=