写法:tr:nth-child(2),表示非tr的子元素中的第二个元素,并非从0开始计数,跟编程语言中的数组有区别。 参考网址:http://www.w3schools.com/cssref/sel_nth-child.asp
但是当我三个li:nth-child之前的 .oUl去掉之后,问题就来了。.oUl li:nth-child(1){ background-position: 0 0 ; } .oUl li:nth-child(2){ background-position: -150px 0 ; } li:nth-child(3){ background-position: -300px 0 ; } .oUl li:nth-child(4){ background-position: -450px 0 ...
In conclusion, :nth-child() and :nth-of-type(), with an integer argument X (i.e. not in the form An+B with a coefficient A of n), function pretty similarly to :first-child/:last-child and :first-of-type/:last-of-type, with the major difference being that the argum...
使用:nth-child(odd) 與 :nth-child(even) 設定表格 :nth-child 是CSS3中新增的「偽類選取器(pseudo class selector)」,標準的語法是 :nth-child(n),其中括弧內的「n」是最重要的關鍵字元了,「n」可以寫成是單數「odd」,或者是寫為偶數「even」,甚至是使出大絕招上上下下左右左右ABAB加加減減都可以喔。
https://www.w3schools.com/css...有用1 回复 五条悟: 但是改成 tr:nth-child() 後因為我表格是4x4反而是最後一列沒有現,而不是排 回复2018-04-30 李毅: @五条悟 那你得改一下题目了, `css nth-child 如何讓第四個列不要有底線? 改成第 4 行。 回复2018-04-30 五条悟: @李毅 只是就算我...
and the CSS .filterDiv{ border-top: none;height:215px;border: 1px #ddd solid; } .filterDiv:nth-child(4n+0) { border-right:none; } .filterDiv:first-child { border-left:none; } :nth-childdoesn't excludedisplay: none :nth-child( 2 )in the below example is.second ...
Here, we specify a background color for all p elements whose index is a multiple of 3, counting from the last child: p:nth-last-child(3n+0){ background:red; } Try it Yourself » ❮PreviousCSSSelectorsReferenceNext❯ W3schools Pathfinder ...
对于p:nth-child(2)，如果它是一个段落，它将选择其父元素的第二个元素，而p:nth-of-type(2)将...
nth-child and :nth-of-type 区别 在写网页的时候,有时候需要对子元素区分,比如只修改第N个元素。 比如上面的四个li,不同的li设置不同的颜色,这就需要用到CSS伪类选择器:nth-of-type。 li{ &:nth-of-type(1){h4{color:red;}} &:nth-of-type(2){h4{color:#14dd9f;}} ...
Tip:Use the:nth-of-type()selector to select all elements that are thenth child,of a particular type, of their parent. Syntax :nth-child(n|even|odd|formula) ParameterDescription nThe index of each child to match. Must be a number. The first element has the index number 1. ...