jQuery Image Gallery/News Slider with Caption Tutorial. Introduction Until this day, jQuery is still blowing me away with its simplicity and robustness. As you can see, I have been concentrated to produce tutorials about it, and I just couldn't help it! Right, this time, we're going to learn how to create a news slider that come with the following features: Slideshow with Image and description/captionprevious, next, pause and play buttons On mouse over, pause the slideshow, and play it on mouse outSliding effect for both gallery panel and excerpt panelAdjustable slideshow speedAnd, finally, smarter script that will calculate width and height for the slideshow We're going to use scrollTo jQuery plugin during the development. Advertisement Existing Tutorials The following is my previous version of image gallery:Simple JQuery Image Slide Show with Semi-Transparent Caption Explanation For this slide show, we will combine two sliding panels together, and use the timer (setInterval function) to animate the whole thing. 3. 4.
Javascript Conclusion. Image Cross Fade Transition. In particular, Nathan Wrigley of pictureandword.com, needed a method one image into another mouse rolls over, and the slowly fade back once the mouse has left. Image rollovers were the staple JavaScript nugget of the 90s, and for a lot of JavaScript developers I know, one of the starting places their passion for JavaScript. Today, rollovers are a no-brainer – either in CSS or with the simplest of JavaScript: $(function () { $('img.swap').hover(function () { this.src = 'images/sad.jpg'; }, function () { this.src = 'images/happy.jpg'; }); }); Today’s challenge is the rollover transition!
Watch the complete screencast (alternative flash version) (QuickTime version is approx. 20Mb, flash version is streaming) How to Approach the Problem There are a few different ways which problem can be solved (and I’d love to hear alternative methods via the comments). Here are the ways I’m going to go through: Two ImageSingle ImagePure CSS Two Image Technique View the working example and the source jQuery.
Onload image fades without Flash | clagnut/sandbox. Example I've deliberately made the image quite a large filesize so you'll have a chance to see the 'loading…' message before it fades out. The code The photo is a straightforward image in a div. Each has an id: The 'loading…' image is set as the background to the photoholder div, and the photoholder is sized to match the photo. To prevent a cached photo from displaying before it has been faded in, when need to make the photo hidden.
Note that document.write does not work when XHTML is properly sent as application/xhtml+xml. Once everything on the page has loaded (crucially this includes images), an onload event is triggered, calling our initImage function: window.onload = function() {initImage()} The initImage function makes the photo completely tranpsarent by using the setOpacity function to set its opacity to zero. Function initImage() { imageId = 'thephoto'; image = document.getElementById(imageId); setOpacity(image, 0); image.style.visibility = 'visible'; fadeIn(imageId,0); } Accessibility. Javascript cross fade. Javascript Tutorial - Simple Fade Animation.
Woohoo fading! Everyone loves fading in and out, it is an excellent way to transition between two segments of an application (unless the fade takes too long, and then it just gets annoying). Today we are going to look at a simple and robust way of creating a fade in or fade out effect using javascript and the simple css 'opacity' element. In the example below, you can see a green box with some text, and a button beneath it.
If you press the button, the green box will fade out and become fully transparent, and if you press the button a second time, the box will fade back in. As you can see with the text inside of the box, anything that is a child of the fading element will also fade away/fade back. So how is all of this done? This fade function takes an element id, and the first thing we do is resolve it into an element object. If the FadeState is 1 or -1, it means that an animation is currently in progress. So how do we actually set opacity? Back to the function at hand.