Web定义和用法. :first-of-type 选择器匹配属于其父元素的特定类型的首个子元素的每个元素。. 提示: 等同于 :nth-of-type (1)。. CSS ::first-line 选择器. CSS :focus 选择器. CSS 选择器参考手册.
css - nth-of-type vs nth-child - Stack Overflow
WebSep 6, 2011 · The :nth-of-type selector allows you select one or more elements based on their source order, according to a formula. It is defined in the CSS Selectors Level 3 spec as a “structural pseudo-class”, meaning it is used to style content based on its relationship with parent and sibling elements. Suppose we have an unordered list and wish to ... Web定义和用法. :only-of-type 选择器匹配属于其父元素的特定类型的唯一子元素的每个元素。. CSS :nth-last-of-type (n) 选择器. CSS :only-child 选择器. CSS 选择器参考手册. china type testing medical devices
:nth-of-type CSS-Tricks - CSS-Tricks
WebDefinition and Usage. The :nth-of-type ( n) selector matches every element that is the n th child, of the same type (tag name), of its parent. n can be a number, a keyword (odd or … Web2 days ago · CSS指的是层叠样式表(CascadingStyleSheets)CSS描述了如何在屏幕、纸张或其他媒体上显示HTML元素CSS节省了大量工作。它可以同时控制多张网页布局。盒子的概念页面中的每一个标签都可以看做是一个盒子;通过盒子的视角,可以更方便的进行布局浏览器在渲染网页时会将网页中的元素看做是一个个的 ... WebMar 28, 2024 · 定义和用法: :nth-of-type(n) 选择器匹配属于父元素的特定类型的第 N 个子元素的每个元素. n 可以是数字、关键词或公式。一、nth-of-type(n) (当n为数字时) 先看下代码,在代码中具体讲解。这里我们在一个类名为father的盒子中写了五个p标签,样式表中用到了我们的nth-of-type伪类,这个样式也不难看懂。 china types of photo frames