js实现显示当前状态的导航效果代码

本文实例讲述了js实现显示当前状态的导航效果代码。分享给大家供大家参考。具体如下：
这里演示显示当前状态的导航，鼠标点击左侧的导航菜单，右侧的内容就会变换，实际上是一个竖向的TAB选项卡，作为菜单来用的话，它正好可以显示当前的菜单位置，比较经典。
运行效果截图如下：
在线演示地址如下：
http://demo.jb51.net/js/2015/js-show-nav-style-status-codes/
具体代码如下：
<！DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN""http://www.w3.org/TR/html4/strict.dtd"><html lang="en"><head><meta http-equiv="content-type" content="text/html; charset=utf-8"><title>显示当前状态的导航</title><style type="text/css">body { font-family:verdana; }#content { float:left; width:400px; border:1px solid #ccc; margin-left:20px; padding:2px 10px 10px 10px; }ul { margin:0; padding:0; list-style: none; width:200px; float:left; }ul li { margin:0 0 1px 0; padding:0; }ul li a { display:block; padding:8px; text-decoration:none; background: #eee; color: #039;}ul li a:hover { background: #ffc;}ul li a.selected { background: #c63; color:#fff;}#content div { display:none; }#content div.on { display:block; }</style><script type="text/javascript">function applySelectedTo（link） { var ul = document.getElementsByTagName（"ul"）[0]; // get the first ul tag on the page var allLinks = ul.getElementsByTagName（"a"）; // get all the links within that ul for （var i=0; i<allLinks.length; i++） { // iterate through all those linksallLinks[i].className = ""; // and assign their class names to nothing } link.className = "selected"; // finally, assign class="selected" to our chosen link var allDivs = document.getElementsByTagName（"div"）; for （var k=0; k<allDivs.length; k++） {allDivs[k].className = ""; } var lyricId = link.getAttribute（"href"）.split（"#"）[1]; lyricId = document.getElementById（lyricId）; lyricId.className = "on";}</script></head><body><h1>A list of links （styled, selected state, onclick, return false, and does something）</h1><ul> <li><a onclick="applySelectedTo（this）;return false;" href="#heartbreakHotel">世界七星级宾馆</a></li> <li><a onclick="applySelectedTo（this）;return false;" href="#blueSuedeShoes">蓝色梦想</a></li> <li><a onclick="applySelectedTo（this）;return false;" href="#houndDog" class="selected">千年等待</a></li> <li><a onclick="applySelectedTo（this）;return false;" href="#dontBeCruel">不要忘记我</a></li> <li><a onclick="applySelectedTo（this）;return false;" href="#teddyBear">青岛啤酒</a></li></ul><div id="content"> <div id="heartbreakHotel"><h2>Heartbreak Hotel</h2><p>Well, since my baby left me,<br />I found a new place to dwell.<br />Its down at the end of lonely street<br />At heartbreak hotel.</p><p>You make me so lonely baby,<br />I get so lonely,<br />I get so lonely I could die.</p><p>And although its always crowded,<br />You still can find some room.<br />Where broken hearted lovers<br />Do cry away their gloom.</p><p>You make me so lonely baby,<br />I get so lonely,<br />I get so lonely I could die.</p><p>Well, the bell hops tears keep flowin,<br />And the desk clerks dressed in black.<br />Well they been so long on lonely street<br />They aint ever gonna look back.</p><p>You make me so lonely baby,<br />I get so lonely,<br />I get so lonely I could die.</p><p>Hey now, if your baby leaves you,<br />And you got a tale to tell.<br />Just take a walk down lonely street<br />To heartbreak hotel.</p> </div> <div id="blueSuedeShoes"><h2>Blue Suede Shoes</h2><p>Well, its one for the money,<br />Two for the show,<br />Three to get ready,<br />Now go, cat, go.</p><p>But dont you step on my blue suede shoes.<br />You can do anything but lay off of my blue suede shoes.</p><p>Well, you can knock me down,<br />Step in my face,<br />Slander my name<br />All over the place.</p><p>Do anything that you want to do, but uh-uh,<br />Honey, lay off of my shoes<br />Dont you step on my blue suede shoes.<br />You can do anything but lay off of my blue suede shoes.</p><p>You can burn my house,<br />Steal my car,<br />Drink my liquor<br />From an old fruitjar.</p><p>Do anything that you want to do, but uh-uh,<br />Honey, lay off of my shoes<br />Dont you step on my blue suede shoes.<br />You can do anything but lay off of my blue suede shoes.</p> </div> <div class="on" id="houndDog"><h2>Hound Dog</h2><p>You aint nothin but a hound dog<br />Cryin all the time.<br />You aint nothin but a hound dog<br />Cryin all the time.<br />Well, you aint never caught a rabbit<br />And you aint no friend of mine.</p><p>When they said you was high classed,<br />Well, that was just a lie.<br />When they said you was high classed,<br />Well, that was just a lie.<br />You aint never caught a rabbit<br />And you aint no friend of mine.</p> </div> <div id="dontBeCruel"><h2>Don"t Be Cruel</h2><p>You know I can be found,<br />Sitting home all alone,<br />If you cant come around,<br />At least please telephone.<br />Dont be cruel to a heart thats true.</p><p>Baby, if I made you mad<br />For something I might have said,<br />Please, lets forget the past,<br />The future looks bright ahead,<br />Dont be cruel to a heart thats true.<br />I dont want no other love,<br />Baby its just you Im thinking of.</p><p>Dont stop thinking of me,<br />Dont make me feel this way,<br />Come on over here and love me,<br />You know what I want you to say.<br />Dont be cruel to a heart thats true.<br />Why should we be apart?<br />I really love you baby, cross my heart.</p><p>Lets walk up to the preacher<br />And let us say I do,<br />Then youll know youll have me,<br />And Ill know that Ill have you,<br />Dont be cruel to a heart thats true.<br />I dont want no other love,<br />Baby its just you Im thinking of.</p><p>Dont be cruel to a heart thats true.<br />Dont be cruel to a heart thats true.<br />I dont want no other love,<br />Baby its just you Im thinking of.</p> </div> <div id="teddyBear"><h2>Teddy Bear</h2><p>Baby let me be,<br />Your lovin teddy bear<br />Put a chain around my neck,<br />And lead me anywhere<br />Oh let me be<br />Your teddy bear.</p><p>I dont wanna be a tiger<br />Cause tigers play too rough<br />I dont wanna be a lion<br />cause lions aint the kind<br />You love enough.<br />Just wanna be, your teddy bear<br />Put a chain around my neck<br />And lead me anywhere<br />Oh let me be<br />Your teddy bear.</p><p>Baby let me be, around you every night<br />Run your fingers through my hair,<br />And cuddle me real tight.</p> </div></div></body></html>
希望本文所述对大家的javascript程序设计有所帮助。