L'exemple de cet article décrit l'implémentation js du code d'effet de navigation qui affiche l'état actuel. Partagez-le avec tout le monde pour votre référence. Les détails sont les suivants :
Voici une démonstration de l'état actuel de la navigation. Cliquez sur le menu de navigation à gauche et le contenu à droite changera. Il s'agit en fait d'un onglet TAB vertical. S'il est utilisé comme menu, il peut afficher l'onglet actuel. l'emplacement des menus est assez classique.
La capture d'écran de l'effet en cours d'exécution est la suivante :
L'adresse de la démo en ligne est la suivante :
http://demo.jb51.net/js/2015/js-show-nav-style-status-codes/
Le code spécifique est le suivant :
<!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 links allLinks[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>
J'espère que cet article sera utile à la conception de la programmation JavaScript de chacun.