lang() - CSS - MDN Web Docs

:lang() 是一種CSS 偽類( pseudo-class )。

它會根據括號中指定的語系，來選擇使用的元素。

... 注意： 在HTML 中，語言是通過 lang 屬性和 (en-US) ... SkiptomaincontentSkiptosearchSkiptoselectlanguage給開發者的網頁技術文件CSS:lang()ArticleActions正體中文(繁體)ThispagewastranslatedfromEnglishbythecommunity.LearnmoreandjointheMDNWebDocscommunity.語法Syntax範例Example技術規格Specifications瀏覽器兼容性Browsercompatibility其他參考SeealsoRelatedTopics LearnCSS CSSfirststeps CSSfirststepsoverview WhatisCSS? 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Propertiesaccent-color(en-US)align-content(en-US)align-items(en-US)align-self(en-US)all(en-US)animation(en-US)animation-delay(en-US)animation-direction(en-US)animation-duration(en-US)animation-fill-modeanimation-iteration-count(en-US)animation-name(en-US)animation-play-state(en-US)animation-timeline(en-US)animation-timing-function(en-US)appearance(en-US)aspect-ratio(en-US)backdrop-filter(en-US)backface-visibility(en-US)background(en-US)background-attachmentbackground-blend-mode(en-US)background-clip(en-US)background-colorbackground-image(en-US)background-origin(en-US)background-position(en-US)background-position-x(en-US)background-position-y(en-US)background-repeat(en-US)background-size(en-US)block-size(en-US)borderborder-block(en-US)border-block-color(en-US)border-block-end(en-US)border-block-end-color(en-US)border-block-end-style(en-US)border-block-end-width(en-US)border-block-start(en-US)border-block-start-color(en-US)border-block-start-style(en-US)border-block-start-width(en-US)border-block-style(en-US)border-block-width(en-US)border-bottom(en-US)border-bottom-color(en-US)border-bottom-left-radius(en-US)border-bottom-right-radius(en-US)border-bottom-style(en-US)border-bottom-width(en-US)border-collapse(en-US)border-colorborder-end-end-radius(en-US)border-end-start-radius(en-US)border-imageborder-image-outset(en-US)border-image-repeat(en-US)border-image-slice(en-US)border-image-source(en-US)border-image-width(en-US)border-inline(en-US)border-inline-color(en-US)border-inline-end(en-US)border-inline-end-color(en-US)border-inline-end-style(en-US)border-inline-end-width(en-US)border-inline-start(en-US)border-inline-start-color(en-US)border-inline-start-style(en-US)border-inline-start-width(en-US)border-inline-style(en-US)border-inline-width(en-US)border-left(en-US)border-left-color(en-US)border-left-style(en-US)border-left-width(en-US)border-radius(en-US)border-right(en-US)border-right-color(en-US)border-right-style(en-US)border-right-width(en-US)border-spacing(en-US)border-start-end-radius(en-US)border-start-start-radius(en-US)border-style(en-US)border-top(en-US)border-top-color(en-US)border-top-left-radius(en-US)border-top-right-radius(en-US)border-top-style(en-US)border-top-width(en-US)border-width(en-US)bottom(en-US)box-decoration-break(en-US)box-shadowbox-sizingbreak-after(en-US)break-before(en-US)break-inside(en-US)caption-side(en-US)caret-color(en-US)clear(en-US) Deprecated clipclip-path(en-US)color(en-US)color-scheme(en-US)column-count(en-US)column-fill(en-US)column-gap(grid-column-gap)(en-US)column-rule(en-US)column-rule-color(en-US)column-rule-style(en-US)column-rule-width(en-US)column-span(en-US)column-width(en-US)columns(en-US)contain(en-US)content(en-US)content-visibility(en-US)counter-increment(en-US)counter-reset(en-US)counter-set(en-US)cursordirection(en-US)display(en-US)empty-cells(en-US)filter(en-US)flex(en-US)flex-basis(en-US)flex-direction(en-US)flex-flow(en-US)flex-grow(en-US)flex-shrink(en-US)flex-wrap(en-US)float(en-US)font(en-US)font-family(en-US)font-feature-settings(en-US)font-kerning(en-US)font-language-override(en-US)font-optical-sizing(en-US)font-size(en-US)font-size-adjust(en-US)font-stretch(en-US)font-style(en-US)font-synthesis(en-US)font-variant(en-US)font-variant-alternates(en-US)font-variant-caps(en-US)font-variant-east-asian(en-US)font-variant-ligatures(en-US)font-variant-numeric(en-US)font-variant-position(en-US)font-variation-settings(en-US)font-weight(en-US)forced-color-adjust(en-US)gap(grid-gap)(en-US)grid(en-US)grid-area(en-US)grid-auto-columns(en-US)grid-auto-flow(en-US)grid-auto-rows(en-US)grid-column(en-US)grid-column-end(en-US)grid-column-start(en-US)grid-rowgrid-row-end(en-US)grid-row-start(en-US)grid-templategrid-template-areas(en-US)grid-template-columnsgrid-template-rows(en-US)hanging-punctuation(en-US)heighthyphenate-character(en-US)hyphens(en-US)image-rendering(en-US) 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offset-position(en-US)offset-rotate(en-US)opacity(en-US)order(en-US)orphans(en-US)outline(en-US)outline-color(en-US)outline-offset(en-US)outline-style(en-US)outline-width(en-US)overflow(en-US)overflow-anchor(en-US)overflow-block(en-US)overflow-clip-margin(en-US)overflow-inline(en-US)overflow-wrap(en-US)overflow-x(en-US)overflow-y(en-US)overscroll-behavior(en-US)overscroll-behavior-block(en-US)overscroll-behavior-inline(en-US)overscroll-behavior-x(en-US)overscroll-behavior-y(en-US)padding(en-US)padding-block-end(en-US)padding-block-start(en-US)padding-bottom(en-US)padding-inline-end(en-US)padding-inline-start(en-US)padding-left(en-US)padding-right(en-US)padding-top(en-US)page-break-after(en-US)page-break-before(en-US)page-break-inside(en-US)perspective(en-US)perspective-origin(en-US)place-content(en-US)place-items(en-US)place-self(en-US)pointer-events(en-US)position(en-US)print-color-adjust(en-US)quotes(en-US)resize(en-US)right(en-US)rotate(en-US)row-gap(grid-row-gap)(en-US)ruby-align(en-US)ruby-positionscale(en-US)scroll-behavior(en-US)scroll-margin(en-US)scroll-margin-block(en-US)scroll-margin-block-end(en-US)scroll-margin-block-start(en-US)scroll-margin-bottom(en-US)scroll-margin-inline(en-US)scroll-margin-inline-end(en-US)scroll-margin-inline-start(en-US)scroll-margin-left(en-US)scroll-margin-right(en-US)scroll-margin-top(en-US)scroll-padding(en-US)scroll-padding-block-end(en-US)scroll-padding-block-start(en-US)scroll-padding-bottom(en-US)scroll-padding-inline(en-US)scroll-padding-inline-end(en-US)scroll-padding-inline-start(en-US)scroll-padding-left(en-US)scroll-padding-right(en-US)scroll-padding-top(en-US) Deprecated scroll-snap-coordinate(en-US) Deprecated scroll-snap-destination(en-US) Deprecated scroll-snap-points-x(en-US) Deprecated scroll-snap-points-y(en-US)scroll-snap-type(en-US)scrollbar-color(en-US)scrollbar-width(en-US)shape-image-threshold(en-US)shape-margin(en-US)shape-outside(en-US)tab-size(en-US)table-layout(en-US)text-align(en-US)text-align-last(en-US)text-combine-upright(en-US)text-decoration(en-US)text-decoration-color(en-US)text-decoration-line(en-US) Experimental text-decoration-skip(en-US)text-decoration-skip-ink(en-US)text-decoration-style(en-US)text-emphasis(en-US)text-emphasis-color(en-US)text-emphasis-position(en-US)text-emphasis-style(en-US)text-indent(en-US)text-justify(en-US)text-orientation(en-US)text-overflow(en-US)text-rendering(en-US)text-shadow(en-US) Experimental text-size-adjust(en-US)text-transform(en-US)text-underline-position(en-US)top(en-US)touch-action(en-US)transformtransform-box(en-US)transform-origintransform-style(en-US)transitiontransition-delay(en-US)transition-durationtransition-property(en-US)transition-timing-functiontranslate(en-US)unicode-bidi(en-US)user-select(en-US)vertical-align(en-US)visibility(en-US)white-spacewidows(en-US)widthwill-change(en-US)word-break(en-US)word-spacing(en-US)writing-mode(en-US)z-index(en-US) SelectorsAdjacentsiblingcombinator(en-US)Attributeselectors(en-US)Childcombinator(en-US)Classselectors(en-US) Experimental Columncombinator(en-US)DescendantcombinatorGeneralsiblingcombinator(en-US)IDselectors(en-US)Selectorlist(en-US)TypeselectorsUniversalselectors(en-US) Pseudo-classes:active(en-US):any-link(en-US):autofill(en-US) Experimental :blank(en-US):checked(en-US):default(en-US):defined(en-US):dir()(en-US):disabled(en-US):empty(en-US):enabled(en-US):first(en-US):first-child:first-of-type:focus(en-US):focus-visible(en-US):focus-within(en-US):fullscreen(en-US):has()(en-US):host(en-US):host-context()(en-US):host()(en-US):hover(en-US):in-range(en-US):indeterminate(en-US):invalid(en-US):is()(:matches(),:any())(en-US):lang():last-child(en-US):last-of-type(en-US):left(en-US):link(en-US):not()(en-US):nth-child()(en-US):nth-last-child()(en-US):nth-last-of-type()(en-US):nth-of-type()(en-US):only-child(en-US):only-of-type(en-US):optional(en-US):out-of-range(en-US):paused(en-US):picture-in-picture(en-US):placeholder-shown(en-US):playing(en-US):read-only(en-US):read-write(en-US):required(en-US):right(en-US):root(en-US):scope(en-US):target:user-invalid(:-moz-ui-invalid)(en-US):user-valid(:-moz-ui-valid)(en-US):valid(en-US):visited(en-US):where()(en-US)Privacyandthe:visitedselector(en-US)Pseudo-classes Pseudo-elements::after(:after)(en-US)::backdrop(en-US)::before(:before)(en-US)::cue(en-US)::cue-region(en-US)::file-selector-button(en-US)::first-letter(:first-letter)::first-line(:first-line)(en-US) Experimental ::grammar-error(en-US)::marker(en-US)::part()(en-US)::placeholder(en-US)::selection(en-US)::slotted()(en-US) Experimental ::spelling-error(en-US)::target-text(en-US)Pseudo-elements(en-US) At-rules@charset(en-US)@color-profile(en-US)@counter-style(en-US) Deprecated @document(en-US)@font-face@font-feature-values(en-US)@import(en-US)@keyframes(en-US)@layer(en-US)@media@namespace(en-US)@page(en-US) Experimental @property(en-US) Experimental @scroll-timeline(en-US)@supports(en-US) Deprecated @viewport Types(en-US)(en-US)(en-US)(en-US)(en-US)(en-US)CSSFunctionalNotation(en-US)CSSdatatypes(en-US)(en-US)(en-US)(en-US)(en-US)(en-US)(en-US)(en-US)(en-US)(en-US)(en-US)(en-US)(en-US)(en-US)(en-US)(en-US)(en-US)(en-US)(en-US)(en-US)(en-US)(en-US)(en-US)(en-US)(en-US)(en-US) Deprecated (en-US)(en-US)(en-US)(en-US)(en-US) Guides Animations UsingCSSanimations BackgroundsandBorders Usingmultiplebackgrounds Resizingbackgroundimages(en-US) Boxalignment Boxalignmentinblocklayout(en-US) Boxalignmentinflexbox(en-US) Boxalignmentingridlayout(en-US) Boxalignmentinmulti-columnlayout(en-US) Boxmodel IntroductiontotheCSSbasicboxmodel(en-US) Masteringmargincollapsing Columns BasicconceptsofMulticol(en-US) Stylingcolumns(en-US) Spanningandbalancing(en-US) HandlingoverflowinMulticol(en-US) ContentbreaksinMulticol(en-US) Conditionalrules Usingfeaturequeries(en-US) CSSOMview Coordinatesystems(en-US) 彈性區塊 BasicconceptsofFlexbox Comparisonwithotherlayoutmethods(en-US) Aligningitemsinaflexcontainer(en-US) Orderingflexitems(en-US) Controllingflexitemratios(en-US) Masteringwrappingofflexitems(en-US) TypicalusecasesofFlexbox(en-US) BackwardscompatibilityofFlexbox(en-US) Flowlayout BlockandInlinelayoutinnormalflow(en-US) InflowandOutofflow(en-US) Formattingcontextsexplained(en-US) Flowlayoutandwritingmodes(en-US) Flowlayoutandoverflow(en-US) Fonts OpenTypefontfeaturesguide(en-US) Variablefontsguide(en-US) Grid Basicsconceptsofgridlayout Relationshiptootherlayoutmethods(en-US) Line-basedplacement(en-US) Gridtemplateareas(en-US) Layoutusingnamedgridlines(en-US) Auto-placementingridlayout(en-US) Boxalignmentingridlayout(en-US) undefined(en-US) Gridlayoutandaccessibility(en-US) GridLayoutandprogressiveenhancement(en-US) Realizingcommonlayoutsusinggrids(en-US) Subgrid(en-US) Masonrylayout(en-US) Images UsingCSSgradients(en-US) Listsandcounters UsingCSScounters(en-US) Consistentlistindentation Logicalproperties Basicconcepts(en-US) Floatingandpositioning(en-US) undefined(en-US) Sizing(en-US) Beginner'sguidetomediaqueries Usingmediaqueries(en-US) Usingmediaqueriesforaccessibility(en-US) Testingmediaqueriesprogrammatically 定位 UnderstandingCSSz-index Scrollsnap Basicconceptsofscrollsnap(en-US) Browsercompatibilityandscrollsnap(en-US) Shapes Overviewofshapes(en-US) Shapesfromboxvalues(en-US) Basicshapes(en-US) Shapesfromimages(en-US) Text Wrappingandbreakingtext(en-US) Transforms Usingtransforms(en-US) Transitions Usingtransitions Layoutcookbook Mediaobjects(en-US) Columns(en-US) Centeranelement(en-US) Stickyfooters(en-US) Splitnavigation(en-US) Breadcrumbnavigation(en-US) Listgroupwithbadges(en-US) Pagination(en-US) Card(en-US) Gridwrapper(en-US) Tools Colorpicker Boxshadowgenerator(en-US) Borderimagegenerator(en-US) 語法Syntax範例Example技術規格Specifications瀏覽器兼容性Browsercompatibility其他參考Seealso:lang() :lang()是一種CSS偽類(pseudo-class)。

它會根據括號中指定的語系，來選擇使用的元素。

/*選取任何語言屬性為英文(en)的

*/ p:lang(en){ quotes:'\201C''\201D''\2018''\2019'; } 注意：在HTML中，語言是通過lang屬性和(en-US)元素的組合來決定的,也可能是通過協議的信息來確定(例如HTTP表頭).對於其他文檔類型，也可能存在其他用於確定語言的方法。

語法Syntax語法格式FormalsyntaxError:couldnotfindsyntaxforthisitem參數Parameter (en-US)代表你要指定的語言。

可接受的值為HTML規範中指定的值。

範例Example在此例中，:lang()偽類會依據“引用元素quote”()的父層來選擇子組合子(childcombinators)。

請注意，此處演示的方法並不是唯一的，並且最好的方式，是依據文檔類型來確定。

還要注意的是，Unicode(en-US)的值，有明確指定到那些你要使用的字符。

HTMLThisEnglishquotehasanestedquoteinside. ThisFrenchquotehasanestedquoteinside. ThisGermanquotehasanestedquoteinside. CSS:lang(en)>q{quotes:'\201C''\201D''\2018''\2019';} :lang(fr)>q{quotes:'«''»';} :lang(de)>q{quotes:'»''«''\2039''\203A';} 結果Result技術規格SpecificationsSpecificationSelectorsLevel4#lang-pseudo瀏覽器兼容性BrowsercompatibilityBCDtablesonlyloadinthebrowser 其他參考Seealso 語言相關偽類：:lang,:dir(en-US) HTMLlang屬性 BCP47-TagsforIdentifyingLanguages(BCP47-識別語言的標籤) Foundaproblemwiththispage?EditonGitHubSourceonGitHubReportaproblemwiththiscontentonGitHubWanttofixtheproblemyourself?SeeourContributionguide.Lastmodified:2022年6月22日,byMDNcontributors