getEmValue = function()

in OAuthWebSample/OAuthWebSample/Scripts/respond.js [184:214]

• 22 lines of code
• 3 McCabe index (conditional complexity)

		getEmValue		= function() {
			var ret,
				div = doc.createElement('div'),
				body = doc.body,
				fakeUsed = false;
									
			div.style.cssText = "position:absolute;font-size:1em;width:1em";
					
			if( !body ){
				body = fakeUsed = doc.createElement( "body" );
				body.style.background = "none";
			}
					
			body.appendChild( div );
								
			docElem.insertBefore( body, docElem.firstChild );
								
			ret = div.offsetWidth;
								
			if( fakeUsed ){
				docElem.removeChild( body );
			}
			else {
				body.removeChild( div );
			}
			
			//also update eminpx before returning
			ret = eminpx = parseFloat(ret);
								
			return ret;
		},