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JS 参考资料

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 地图 JS 数学 JS 数字 JS 对象 JS 运算符 JS 优先级 JS Promises JS 正则表达式 JS Sets JS 语句 JS 字符串 JS TypedArray

Window

Window 对象 Window Console Window History 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 API

API Canvas API Console API Fetch API 全屏 API 地理位置 API 历史记录 API MediaQueryList 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>

其他参考资料

CSSStyleDeclaration JS 转换


HTML DOM 元素 replaceChild()

示例

用新的文本节点替换 <li> 元素中的文本节点

const newNode = document.createTextNode("Water");
const element = document.getElementById("myList").children[0];

element.replaceChild(newNode, element.childNodes[0]);

之前

  • Coffee
  • Tea
  • Milk

之后

  • Water
  • Tea
  • Milk
自己尝试 »

更多示例如下。


描述

The replaceChild() 方法用新的节点替换子节点。


语法

node.replaceChild(newnode, oldnode)

参数

参数 描述
newnode 必需的。
要插入的节点。
oldnode 必需的。
要移除的节点。

返回值

类型 描述
节点被替换的节点。


更多示例

示例

用新的 <li> 元素替换 <li> 元素

// 创建一个新的 <li> 元素
const element = document.createElement("li");

// 创建一个新的文本节点
const textNode = document.createTextNode("Water");

// 将文本节点追加到 <li> 元素
element.appendChild(textNode);

// 获取 id 为 "myList" 的 <ul> 元素
const list = document.getElementById("myList");

// 用新的 <li> 元素替换第一个子节点
list.replaceChild(element, list.childNodes[0]);

之前

  • Coffee
  • Tea
  • Milk

之后

  • Water
  • Tea
  • Milk
自己尝试 »

浏览器支持

element.replaceChild() 是 DOM Level 1 (1998) 的功能。

它在所有浏览器中都得到了完全支持

Chrome Edge Firefox Safari Opera IE
9-11

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