Das Beispiel in diesem Artikel teilt den spezifischen Implementierungscode des jQuery-Selektors als Referenz. Der spezifische Inhalt lautet wie folgt:
1 🎜>
2. Ebenenauswahl<html> <head> <meta charset="utf-8"> <title>jQuery基本选择器</title> <script type="text/javascript" src="js/jquery-1.x.js"> </script> </head> <body> <p id="idp">DOM对象与jQuery对象的相互转化</p> <p class="classp">jQuery对象不能直接使用DOM对象的方法,</p> <p class="classp">但可以通过将jQuery对象转换成DOM对象后再调用其方法。</p> <span class="classSpan">基本选择器是jQuery中最常用的选择器</span> <script type="text/javascript"> $(function(e){ $("#idp").css("color","blue"); $(".classp").css("background-color","#dddddd"); $("span").css("background-color","gray").css("color","white"); $("*").css("font-size","20px"); $("#idp,.classSpan").css("font-style","italic"); }); </script> </body> </html>
Renderings
<html> <head> <meta charset="utf-8"> <title>jQuery层次选择器</title> <script type="text/javascript" src="js/jquery-1.x.js"> </script> </head> <body> <p> 搜索条件<input name="search" /> <form> <label>用户名:</label> <input name="useName" /> <fieldset> <label>密 码:</label> <input name="password" /> </fieldset> </form> <hr/> 身份证号:<input name="none" /><br/> 联系电话:<input name="none" /> </p> <script type="text/javascript"> $(function(e){ $("form input").css("width","200px"); $("form > input").css("background","pink"); $("label + input").css("border-color","blue"); //$("label").next("input").css("border-color","blue"); $("form ~ input").css("border-bottom-width","8px"); //$("form").nextAll("input").css("border-bottom-width","4px"); $("*").css("padding-top","3px"); }); </script> </body> </html>