Serve non-scalable meta for iPhone only (messes up on 2.3 Android)

gistfile1.txt

$(document).ready(function() {
	
	//Serve non-scalable meta for iPhone only (messes up on 2.3 Android)
	var deviceAgent = navigator.userAgent.toLowerCase();
		var agentID = deviceAgent.match(/(iphone|ipod)/);
		if (agentID) {
	             $('head').append('<meta name="viewport" content="width=390, user-scalable=0;">');
		}
	

});