first-of-type: 顾名思义,一定是关于类型的,出现的第一个类型的内容 first-child: 子元素中出现的第一个元素(仅仅是第一个的意思,并没有提到关于内容的) 下面是一段代码,大家可以看一下: 1.这是first-child的代码以及结果: <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title...
videoWidth:0 videoHeight:0 fragLastKbps:-Kbps playingFragRelUrl:undefined currentLevel:-1 currentFPS:0 [x] web前端css3新增选择器属性first-of-type 13 最近播放2023-01-04 发布 小艾-艾梯哎教育 求知若渴、虚心若愚 关注 内容简介 #HTML5/CSS3#CSS3#HTML#行业热点#web前端 ...
:first-of-type匹配的是某父元素下相同类型子元素中的第一个,比如 p:first-of-type,就是指所有类型为p的子元素中的第一个。这里不再限制是第一个子元素了,只要是该类型元素的第一个就行了。 同样类型的选择器 :last-child 和 :last-of-type、:nth-child(n) 和 :nth-of-type(n) 也可以这样去理解。
UnderlineTabInNumberingList UnderlineTrailingSpaces UnderlineValues UnhideWhenUsed UniqueTag UnsignedDecimalNumberMax3Type UnsignedDecimalNumberType UnsignedInt7Type UpdateFieldsOnOpen UseAltKinsokuLineBreakRules UseAnsiKerningPairs UseFarEastLayout UseNormalStyleForList UsePrinterMetrics UseSingleBorderForContiguous...
FormEventType FormFastTabHeaderControl FormFastTabSummarySeparator FormFilterPaneControl FormFunctionButtonControl FormGridControl FormGroupControl FormGuidControl FormHTMLControl FormInt64Control FormIntControl FormListArrange FormListBoxControl FormListColumn FormListControl FormListFormat FormListItem FormListNext...
TypeNReplace UpdateFieldsAtPrint UpdateFieldsWithTrackedChangesAtPrint UpdateLinksAtOpen UpdateLinksAtPrint UpdateStyleListBehavior UseCharacterUnit UseDiffDiacColor UseGermanSpellingReform UseLocalUserInfo UseNormalStyleForList UseSubPixelPositioning VirusProtection VisualSelection WarnBeforeSavingPrintingSendingMarkup ...
Docked App Bars: Options reside in a strip across the top or bottom of the screen. You can hide the app bar and show it when the user swipes to request it. You can also use a combination of navigation techniques, such as swipeable tabs with a nice touch-friendly list of options. Ofte...
list-style-position属性可以控制列表文本回绕 第十四章 HTML表单 表单是一个包含输入域的Web页面,允许用户输入信息。提交表单时,浏览器将表单中的所有数据打包,发送到Web服务器,由一个服务器脚本处理,会创建一个HTML作为响应,发回给浏览器显示页面。 浏览器加载页面遇到表单元素时,会在页面上创建控件,允许用户输入各...
If you notice any inspection warnings as you're editing your code, click the bulb symbol to preview the list of possible fixes and recommended actions: Let's copy and paste the entire code sample. Hover over the upper-right corner of the code block below, click the copy icon, and then ...
int32Array , see full list in their README). If you want to validate function inputs, use function schemas in Zod! It's a much simpler approach that lets you reuse a function type declaration without repeating yourself (namely, copy-pasting a bunch of ow assertions at the beginning of ...