Advanced Search

Return to Snippet

Revision: 27628
at June 18, 2010 00:55 by mennyj
Initial Code 
<body>
	<div id="verticalContainer">
		This text will always be vertically centered inside the browser window
	</div>
</body>


function getWindowHeight() {
	var windowHeight = 0;
	if (typeof(window.innerHeight) == 'number') {
		windowHeight = window.innerHeight;
	}
	else {
		if (document.documentElement && document.documentElement.clientHeight) {
			windowHeight = document.documentElement.clientHeight;
		}
		else {
			if (document.body && document.body.clientHeight) {
				windowHeight = document.body.clientHeight;
			}
		}
	}
	return windowHeight;
}

function setContent() {
	if (document.getElementById) {
		var windowHeight = getWindowHeight();
		if (windowHeight > 0) {
			var contentElement = document.getElementById('verticalContainer');	// Be sure to specify the correct ID
			var contentHeight = contentElement.offsetHeight;
			if (windowHeight - contentHeight > 0) {
				contentElement.style.position = 'relative';
				contentElement.style.top = ((windowHeight / 2) - (contentHeight / 2)) + 'px';
			}
			else {
				contentElement.style.position = 'static';
			}
		}
	}
}

window.onresize = function() {
	setContent();
}

// If this is being used with a JS framework (jQuery, prototype,etc...)
// remove the window.onload function and put setContent() inside the
// framework's proprietary "onload" function to avoid conflicts
window.onload = function() {
	setContent();
}
Initial URL 

                                

                                                            

                                    

                                        

                                        Initial Description
                                        

                                    

                                    
[via rtcrm]

This will vertically align a block-level element inside the user's browser window and will automatically adjust if the window is resized.

                                

                                                            

                                    

                                        

                                        Initial Title
                                        

                                    

                                    
Vertically align within browser window

                                

                                                            

                                    

                                        

                                        Initial Tags
                                        

                                    

                                    

                                

                                                            

                                    

                                        

                                        Initial Language
                                        

                                    

                                    
JavaScript