XML DOM cloneNode() 方法
定义和用法
cloneNode()
方法创建节点的副本,并返回新克隆的节点。
Makosa
nodeObject.cloneNode(deep)
Maelezo
Maelezo | Kuonyesha |
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deep |
Thabiti
|
Vituo ya habari
Muungano wa DOM: | Kampuni ya Level 1 ya Kina Object |
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Mwato: | Mfano ya Node. Kina kilitumika kwa klonisha. |
Mfano
Mafanikio ya kuhusiana ya kifaa hiki kinapiga "books.xml", kiklonisha kina kwanza kwa <book> na kuihakikisha kuongezewa kwenye orodha ya kinia:
var xhttp = new XMLHttpRequest(); xhttp.onreadystatechange = function() { if (this.readyState == 4 && this.status == 200) { myFunction(this); } }; xhttp.open("GET", "books.xml", true); xhttp.send(); function myFunction(xml) { var x, y, cloneNode, i, xmlDoc, txt; xmlDoc = xml.responseXML; txt = ""; x = xmlDoc.getElementsByTagName('book')[0]; cloneNode = x.cloneNode(true); xmlDoc.documentElement.appendChild(cloneNode); // Kichapa zote za title y = xmlDoc.getElementsByTagName("title"); kwa i = 0; i < y.length; i++) { txt += y[i].childNodes[0].nodeValue + "<br>"; } document.getElementById("demo").innerHTML = txt; }
Mawasiliano wa Vifaa vya Kina
Chrome | Edge | Firefox | Safari | Opera |
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Chrome | Edge | Firefox | Safari | Opera |
Wahakikiwa | Wahakikiwa | Wahakikiwa | Wahakikiwa | Wahakikiwa |
Wote wanaofaa wa vifaa vya kina vinahakiki kwa sababu ya methodi ya cloneNode().