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Source code analysis of the left-side telescopic navigation and the scaling navigation source code

Source: Internet
Author: User
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Source code analysis of the left-side telescopic navigation and the scaling navigation source code
The source code of our analysis is from webmaster materials.
The address is as follows:
Http:// SC .chinaz.com/jiaoben/150228195730.htm




We recommend that you go to the above address and check the dynamic effect.

Second-level navigation now Let's analyze the code 
<Html> 

Focus on js




<script type="text/javascript">$(document).ready(function() {$(".div2").click(function() {$(this).next("div").slideToggle("slow").siblings(".div3:visible").slideUp("slow");});$(".level3").click(function() {$(this).next("div").slideToggle("slow").siblings(".div4:visible").slideUp("slow");});});</script>






We call div2 Level 1 (such as basic management) as the level 1 title. Each Level 1 title has a level 2 Title (that is, div3 ).

Because the order of div placement is one div2, one div3, and another div2.

$ (This). next ("div"). slideToggle ("slow ")

After you click div2, the following div3 is displayed from show to hide, and from hide to show.





. Siblings (". div3: visible ")

After running the code segment a, the object is div3.

The first half of section B is to select all visible div3

. Siblings (". div3: visible"). slideUp ("slow ");

Then hide them

The function of section B code is that when the level-2 menu of basic management is opened, click the News Center and the level-2 menu of basic management is also closed.





After reading the above Code, we try to rewrite the original level-2 menu to a level-3 menu.

The third-level navigation is as follows:









JavaScript is as follows:



<script type="text/javascript"><span style="white-space:pre"></span>$(document).ready(<span style="white-space:pre"></span>function() {<span style="white-space:pre"></span>$(".div2").click(<span style="white-space:pre"></span>function() {<span style="white-space:pre"></span>$(this).next("div").slideToggle("slow").siblings(<span style="white-space:pre"></span>".div3:visible").slideUp("slow");<span style="white-space:pre"></span>});<span style="white-space:pre"></span>$(".level3").click(<span style="white-space:pre"></span>function() {<span style="white-space:pre"></span>$(this).next("div").slideToggle("slow").siblings(<span style="white-space:pre"></span>".div4:visible").slideUp("slow");<span style="white-space:pre"></span>});<span style="white-space:pre"></span>});</script>
Part css



.div3,.div4 {display: none;cursor: pointer;font-size: 13px;}.div3 li {height: 30px;line-height: 30px;list-style: none;border-bottom: #ccc 1px dotted;}.div4 li {height: 30px;line-height: 30px;list-style: none;border-bottom: #ccc 1px dotted;padding-left: 28px;}
Some html code



<Div class = "div2"> <div class = "jbsz"> </div> basic management </div> <div class = "div3"> <ul> <li class = "level3"> website configuration </li> <div class = "div4"> <ul> <li> website configuration 1 </li> <li> website configuration 2 </ li> <li> website configuration 3 </li> </ul> </div> <li class = "level3"> Management Settings </li> <div class = "div4 "> <ul> <li> website configuration 1 </li> <li> website configuration 2 </li> <li> website configuration 3 </li> </ul> </div> <li class = "level3"> navigation menu </li> <div class = "div4"> <ul> <li> website configuration 1 </li> <li> website configuration 2 </li> <li> website configuration 3 </li> </ul> </div>

This article is an English version of an article which is originally in the Chinese language on aliyun.com and is provided for information purposes only. This website makes no representation or warranty of any kind, either expressed or implied, as to the accuracy, completeness ownership or reliability of the article or any translations thereof. If you have any concerns or complaints relating to the article, please send an email, providing a detailed description of the concern or complaint, to info-contact@alibabacloud.com. A staff member will contact you within 5 working days. Once verified, infringing content will be removed immediately.

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