JS 参考手册

JS 参考手册(类别排序) JS 参考手册(字母排序)

JavaScript

JS Array JS Boolean JS Classes JS Date JS Error JS Global JS JSON JS Math JS Number JS 运算符 JS RegExp JS 语句 JS String

HTML DOM

DOM Attributes DOM Document DOM Element DOM Events DOM Event 对象 DOM HTMLCollection DOM Location DOM Navigator DOM Screen DOM Style
alignContent alignItems alignSelf animation animationDelay animationDirection animationDuration animationFillMode animationIterationCount animationName animationTimingFunction animationPlayState background backgroundAttachment backgroundColor backgroundImage backgroundPosition backgroundRepeat backgroundClip backgroundOrigin 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 cursor direction display emptyCells filter flex flexBasis flexDirection flexFlow flexGrow flexShrink flexWrap cssFloat 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
DOM Window

Web APIs

API Console API Geolocation API History API Storage

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> <style> <sub> <summary> <sup> <table> <tbody> <td> <tfoot> <th> <thead> <tr> <textarea> <time> <title> <track> <u> <ul> <var> <video>

其他参考手册

CSSStyleDeclaration JS 类型转换


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HTML DOM setAttributeNode() 方法

❮ Element 对象

实例

设置 <h1> 元素的 class 属性节点:

var h1 = document.getElementsByTagName("H1")[0];   // Get the first <h1> element in the document
var att = document.createAttribute("class");       // Create a "class" attribute
att.value = "democlass";                           // Set the value of the class attribute
h1.setAttributeNode(att);                          // Add the class attribute to <h1>

在设置属性节点之前:

Hello World

在设置属性节点之后:

Hello World

亲自试一试 »

页面下方有更多实例。


定义和用法

setAttributeNode() 方法将指定的属性节点添加到元素中。

如果指定的属性已经存在,则此方法将替换它。

此方法的返回值是 Attr 对象。有关更多信息,请参见 The HTML DOM 属性对象

另请参见 setAttribute() 方法。

提示: 使用 removeAttributeNode() 方法从元素中删除属性节点。


浏览器支持

方法
setAttributeNode() Yes Yes Yes Yes Yes

语法

element.setAttributeNode(attributenode)

参数值

参数 类型 描述
attributenode Attr object 必需。要添加的属性节点


技术细节

返回值: Attr 对象,表示替换的属性节点(如果有),否则为 null
DOM 版本 Core Level 1 Element Object

更多实例

实例

设置 <a> 元素的 href 属性节点:

var anchor = document.getElementById("myAnchor");  // Get the <a> element with id="myAnchor"
var att = document.createAttribute("href");        // Create a "href" attribute
att.value = "https://www.w3schools.cn";            // Set the value of the href attribute
anchor.setAttributeNode(att);                      // Add the href attribute to <a>

在设置属性节点之前:

Go to w3schools.cn

在设置属性节点之后:

亲自试一试 »

相关页面

HTML 教程: HTML 属性

HTML DOM 参考手册: The HTML DOM 属性对象

HTML DOM 参考手册: setAttribute() 方法

HTML DOM 参考手册: document.createAttribute() 方法

HTML DOM 参考手册: attribute.value 属性

HTML DOM 参考手册: getAttributeNode() 方法

HTML DOM 参考手册: removeAttributeNode() 方法


❮ Element 对象