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JS 参考手册

JS 参考手册(字母排序)

JavaScript

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Window

Window Object Window Console Window History Window Location Window Navigator Window Screen

HTML DOM

HTML Documents HTML Elements HTML Attributes HTML Collection HTML NodeList HTML DOMTokenList HTML Styles
alignContent alignItems alignSelf animation animationDelay animationDirection animationDuration animationFillMode animationIterationCount animationName animationTimingFunction animationPlayState background backgroundAttachment backgroundClip backgroundColor backgroundImage backgroundOrigin backgroundPosition backgroundRepeat backgroundSize backfaceVisibility border borderBottom borderBottomColor borderBottomLeftRadius borderBottomRightRadius borderBottomStyle borderBottomWidth borderCollapse borderColor borderImage borderImageOutset borderImageRepeat borderImageSlice borderImageSource borderImageWidth borderLeft borderLeftColor borderLeftStyle borderLeftWidth borderRadius borderRight borderRightColor borderRightStyle borderRightWidth borderSpacing borderStyle borderTop borderTopColor borderTopLeftRadius borderTopRightRadius borderTopStyle borderTopWidth borderWidth bottom boxShadow boxSizing captionSide caretColor clear clip color columnCount columnFill columnGap columnRule columnRuleColor columnRuleStyle columnRuleWidth columns columnSpan columnWidth counterIncrement counterReset cssFloat cursor direction display emptyCells filter flex flexBasis flexDirection flexFlow flexGrow flexShrink flexWrap font fontFamily fontSize fontStyle fontVariant fontWeight fontSizeAdjust height isolation justifyContent left letterSpacing lineHeight listStyle listStyleImage listStylePosition listStyleType margin marginBottom marginLeft marginRight marginTop maxHeight maxWidth minHeight minWidth objectFit objectPosition opacity order orphans outline outlineColor outlineOffset outlineStyle outlineWidth overflow overflowX overflowY padding paddingBottom paddingLeft paddingRight paddingTop pageBreakAfter pageBreakBefore pageBreakInside perspective perspectiveOrigin position quotes resize right scrollBehavior tableLayout tabSize textAlign textAlignLast textDecoration textDecorationColor textDecorationLine textDecorationStyle textIndent textOverflow textShadow textTransform top transform transformOrigin transformStyle transition transitionProperty transitionDuration transitionTimingFunction transitionDelay unicodeBidi userSelect verticalAlign visibility width wordBreak wordSpacing wordWrap widows zIndex

HTML Events

HTML Events HTML Event Objects HTML Event Properties HTML Event Methods

Web APIs

API Canvas API Console API Fetch API Fullscreen API Geolocation API History API MediaQueryList API Storage API Validation API Web

HTML 对象

<a> <abbr> <address> <area> <article> <aside> <audio> <b> <base> <bdo> <blockquote> <body> <br> <button> <canvas> <caption> <cite> <code> <col> <colgroup> <datalist> <dd> <del> <details> <dfn> <dialog> <div> <dl> <dt> <em> <embed> <fieldset> <figcaption> <figure> <footer> <form> <head> <header> <h1> - <h6> <hr> <html> <i> <iframe> <img> <ins> <input> button <input> checkbox <input> color <input> date <input> datetime <input> datetime-local <input> email <input> file <input> hidden <input> image <input> month <input> number <input> password <input> radio <input> range <input> reset <input> search <input> submit <input> text <input> time <input> url <input> week <kbd> <label> <legend> <li> <link> <map> <mark> <menu> <menuitem> <meta> <meter> <nav> <object> <ol> <optgroup> <option> <output> <p> <param> <pre> <progress> <q> <s> <samp> <script> <section> <select> <small> <source> <span> <strong> <sub> <summary> <sup> <table> <tbody> <td> <tfoot> <th> <thead> <tr> <textarea> <time> <title> <track> <u> <ul> <var> <video>

DOM Element matches() 方法


实例

确定元素是否与 CSS 选择器匹配:

var element = document.getElementById("myElement");
if (element.matches(".container")) {
  element.innerHTML = "This element matches the \".container\" CSS selector";
} else {
  element.innerHTML = "This element does not match the \".container\" CSS selector";
}
亲自试一试 »

定义和用法

matches() 方法返回一个布尔值,指示元素是否与特定的CSS选择器匹配。

提示: 有关所有CSS选择器的列表,请查看我们的 CSS 择器参考


浏览器支持

表中的数字表示支持该方法的第一个浏览器版本。

方法
matches() 33.0 18.0 34.0 7.0 21.0

语法

element.matches(selectors)

参数值

参数 描述
selectors 必需。指定一个或多个CSS选择器以匹配元素。它们用于根据id、类、类型、属性、属性值等选择HTML元素。

对于多个选择器,请用逗号分隔每个选择器。返回的元素取决于最先在文档中找到的元素(请参阅"更多示例")。

提示: 有关所有CSS选择器的列表,请查看我们的 选择器参考

技术细节

返回值: 一个布尔值,指示CSS选择器是否可以匹配元素:
  • true - 元素与CSS选择器匹配
  • false - 元素与CSS选择器不匹配

更多实例

实例

找出一个元素是否匹配多个选择器中的一个:

var element = document.getElementById("myElement");
if (element.matches(".container, .wrapper")) {
  element.innerHTML = "This element matches either the \".container\" CSS selector or the \".wrapper\" selector.";
} else {
  element.innerHTML = "This element does not match any of the selectors.";
}
亲自试一试 »

相关页面

JavaScript 参考手册: element.closest() 方法。


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