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JS 参考

按类别分类的 JS 按字母顺序排列的 JS

JavaScript

JS 数组 JS 布尔值 JS 类 JS 日期 JS 错误 JS 全局 JS JSON JS 映射 JS 数学 JS 数字 JS 对象 JS 运算符 JS 优先级 JS Promise JS 正则表达式 JS 集合 JS 语句 JS 字符串 JS TypedArray

窗口

窗口对象 窗口控制台 窗口历史记录 窗口位置 窗口导航器 窗口屏幕

HTML DOM

HTML 文档 HTML 元素 HTML 属性 HTML 集合 HTML 节点列表 HTML DOMTokenList HTML 样式
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 事件

HTML 事件 HTML 事件对象 HTML 事件属性 HTML 事件方法

Web APIs

API Canvas API Console API Fetch API 全屏 API 地理位置 API 历史记录 API 媒体查询列表 API 存储 API 验证 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> <style> <sub> <summary> <sup> <table> <tbody> <td> <tfoot> <th> <thead> <tr> <textarea> <time> <title> <track> <u> <ul> <var> <video>

其他参考

CSSStyleDeclaration JS 转换


HTML DOM 元素 setAttributeNode()

示例

设置第一个 <h1> 元素的类属性节点

const attr = document.createAttribute("class");
attr.value = "democlass";

const h1 = document.getElementsByTagName("H1")[0];
h1.setAttributeNode(attr);

之前

Hello World

之后

Hello World

自己试试 »

更多示例如下。


描述

The setAttributeNode() 方法将属性节点添加到元素。

The setAttributeNode() 方法替换现有的属性节点。

The setAttributeNode() 方法返回一个 Attribute 对象


setAttribute() 和 setAttributeNode() 之间的区别

The setAttribute() 方法替换属性值。

The setAttributeNode() 方法替换 Attribute 对象。

在将属性添加到元素之前,必须创建一个 Attr 对象 并设置 Attr 值

结果将相同。



语法

element.setAttributeNode(node)

参数

参数 描述
node 必需的。
要添加的属性节点。

返回值

类型 描述
对象一个代表被替换属性节点的 Attr 对象。
或者 null 如果没有属性被替换。


更多示例

设置 <a> 元素的 href 属性节点

const attr = document.createAttribute("href");
attr.value = "https://w3schools.org.cn";

const anchor = document.getElementById("myAnchor");
anchor.setAttributeNode(attr);

之前

转到 w3schools.com

之后

自己试试 »

浏览器支持

element.setAttributeNode() 是 DOM Level 1 (1998) 的一个功能。

它在所有浏览器中都得到完全支持

Chrome Edge Firefox Safari Opera IE
9-11

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