div:first-child,先找到div元素,看看它是不是父元素的长子,如果是,那么就匹配之。 div:first-of-type,先找到div元素,看看它是不是父元素的第一种标签类型,如果是,那么匹配之。 举个例子,有如下代码: <body><divclass="title"><h1class="css">h1</h1><h2class="css">h2</h2><div><h3class="css">...
:first-of-type 表示一组兄弟元素中其类型的第一个元素 html部分: <divclass="ct02"><p>012</p><p>034</p><h3>056</h3></div><divclass="ct02"><h3>078</h3><p>0910</p></div> css .ct02 p:first-of-type: .ct02 p:first-of-type{color:red} 显示: image.png 得到: image.png c...
版本:CSS3.0 继承性:无 语法: E:first-of-type: {attribute} 相关伪类:E:empty 说明: 匹配同级兄弟元素中的第一个E元素 兼容性: 类型 Internet Explorer Firefox Chrome Opera Safari 版本(×)IE6(×)Firefox 2.0(√)Chrome 1.0.x(√)Opera 9.63(√)Safari 3.1 ...
c o m*/ var x = document.getElementById("myDIV").firstChild; var txt = ""; txt += "The node name: " + x.nodeName + "<br>"; txt += "The node value: " + x.nodeValue + "<br>"; txt += "The node type: " + x.nodeType; document.getElementById("demo...
The objective of this study was to quantify the increase in efficacy during the first four cycles of treatment with botulinum toxin type/A (BoNT/A) in 24 free-walking BoNT/A na茂ve adult patients with post-stroke hemispasticity and spastic foot drop. Patients were followed over 390 days ...