What is the best way to accomplish this task - through JavaScript or another method?

Stumbling upon this website, I was instantly captivated by the navigation bar. Check it out at www.webdesignerwall.com

The rollover effect on the "Home," "About," and "Jobs" options when you hover your mouse is just fantastic against the brown backdrop. I had a similar idea myself, but as a newbie, I can't pinpoint the exact programming used for it. My guess is Ajax or JavaScript, but I'm hoping for some clarification from those more knowledgeable than me. Any explanation or examples would be greatly appreciated.

Many thanks, Curious Explorer

javascriptcssrollover

Answer №1

This technique utilizes CSS to add an additional <span> within each <a> link element. The <span> elements are hidden using CSS and positioned above the menu elements with absolute positioning. When a link is hovered over, the appropriate <span> receives a new style, making it visible.

HTML

<ul id="nav"> 
  <li id="nav-home"><a href="/>Home<span></span></a></li> 
  <li id="nav-about"><a href="/about/">About<span></span></a></li> 
  <li id="nav-jobs"><a href="/jobs/">Jobs<span></span></a></li> 
</ul>

CSS

#nav span {
 display: none;      /* initially hidden */
 position: absolute;
}

#nav a:hover span {  
 display: block;     /* becomes visible on hover */
}

#nav-home span {
 background: url(images/home-over.gif) no-repeat;
 width: 168px;
 height: 29px;
 top: -30px;
 left: 35px;
}

#nav-about span {
 background: url(images/about-over.gif) no-repeat;
 width: 157px;
 height: 36px;
 top: -36px;
 left: 90px;
}
/* ... */

Answer №2

You can achieve the same result using CSS alone, eliminating the need for JavaScript:

Check out this article on CSS Image rollovers

Answer №3

It's all about the magic of CSS.

Every link is assigned a unique id, and each one comes with its own special CSS rule that transforms the appearance of the navigation bar when you hover over it.

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