Change screen/window scale?

Question

JavaScript

Good morning Habr.
The question arose how to programmatically change the scale of the visible part of the site?
Or as an alternative to emulate "Ctrl"+"+"/(-)?

Answer 1

Set property in css:

$("body").css({ zoom: 2, transform: "scale(2)", transformOrigin: "0 0" })

Answer 2

http://habrahabr.ru/qa/17029/