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


HTML DOM cloneNode() 方法

❮ Element 对象

实例

拷贝一个列表项到另外一个列表:

// Get the last <li> element ("Milk") of <ul> with id="myList2"
var itm = document.getElementById("myList2").lastChild;

// Copy the <li> element and its child nodes
var cln = itm.cloneNode(true);

// Append the cloned <li> element to <ul> with id="myList1"
document.getElementById("myList1").appendChild(cln);

克隆前:

  • Coffee
  • Tea
  • Water
  • Milk

克隆后:

  • Coffee
  • Tea
  • Milk
  • Water
  • Milk
亲自试一试 »

页面下方有更多实例。


定义和用法

cloneNode() 方法创建节点的副本,并返回克隆。

cloneNode() 方法克隆所有属性及其值。

提示: 使用 appendChild()insertBefore() 方法将克隆节点插入文档。

提示: 如果要克隆所有子体(子体),请将 deep 参数值设置为true,否则为false。


浏览器支持

方法
cloneNode() Yes Yes Yes Yes Yes

语法

node.cloneNode(deep)

参数值

参数 类型 描述
deep Boolean 可选。指定是否应克隆节点的所有子体。
  • true - 克隆节点、其属性及其子体
  • false - 默认值。仅克隆节点及其属性


技术细节

返回值: Node 节点对象,表示克隆的节点
DOM 版本 Core Level 1 Node Object

更多实例

实例

复制 <div> 元素,包括其所有属性和子元素,并将其附加到文档中:

var elmnt = document.getElementsByTagName("DIV")[0];
var cln = elmnt.cloneNode(true);
document.body.appendChild(cln);
亲自试一试 »

相关页面

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

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

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

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


❮ Element 对象