src/browser/base/S.History.js
function(e){
			var history=S.History, current = history.getFragment();
			if(OLD_IE && current == history.fragment && history.iframe) current = history.getFragment(history.getHash(history.iframe));
			if(current == history.fragment) return false;
			if(history.iframe) history.navigate(current);
			history.loadUrl();
		}
function(e){
			var history=S.History, current = history.getFragment();
			if(OLD_IE && current == history.fragment && history.iframe) current = history.getFragment(history.getHash(history.iframe));
			if(current == history.fragment) return false;
			if(history.iframe) history.navigate(current);
			history.loadUrl();
		}
function ( e ) { var history = S . History , current = history . getFragment ( ) ; if ( OLD_IE && current == history . fragment && history . iframe ) current = history . getFragment ( history . getHash ( history . iframe ) ) ; if ( current == history . fragment ) return false ; if ( history . iframe ) history . navigate ( current ) ; history . loadUrl ( ) ; }
Checks the current URL to see if it has changed, and if it has, calls `loadUrl`, normalizing across the hidden iframe.
Checks the current URL to see if it has changed and if it has calls loadUrl normalizing across the hidden iframe .