function copy_checklist(row_id, poNum) {
var row = document.getElementById("item"); //get table row
var table = document.getElementById("checklist");
var clone = row.cloneNode(true);
clone.id = row_id;
var tds = null;
for (var i = 0; i < clone.length; i++) {
tds = clone[i].getElementsByTagName("td");
for (var n = 0; n < tds.length; n++) {
tds[n].innerHTML = poNum;
}
}
table.appendChild(clone);
}
<!DOCTYPE html>
<html xmlns='http://www.w3.org/1999/xhtml'>
<head>
<meta charset='utf-8'/>
<title></title>
<style>tr {height: 40px;}</style>
</head>
<body onLoad="copy_checklist('1', 'po-202')">
<table border='0' cellspacing='0' cellpadding='0' style='font-family: Arial; font-size: 12px;'>
<tbody id="checklist">
<tr id="item">
<td nowrap='nowrap'
style='padding:5px 2px;border:1px solid #000000;border-top:0px;font-family:Arial;font-size:12px;text-align:center!important;word-break: break-word;width:78px'>
<div id="poNum">po2</div>
</td>
<td nowrap='nowrap'
style='padding:5px 2px;border:1px solid #000000;border-left:0px;border-top:0px;font-family:Arial;font-size:12px;word-break: break-word;width:77px'>
<div id="skuNum">sku</div>
</td>
<td nowrap='nowrap'
style='padding:5px 2px;border:1px solid #000000;border-left:0px;border-top:0px;font-family:Arial;font-size:12px;word-break: break-word;width:85px'>
<div id="itemDesc">desc</div>
</td>
我正在使用以下函数 -
尝试设置新克隆的 tr 的 td 的新值，但它仅显示旧值。它可以很好地克隆 tr 元素，但仅显示旧值。我希望新克隆的tr的单元格将新值传递给函数。而且，如果我尝试通过执行findElementsByTag来检查这个新克隆的tr的长度，它将返回0。
白猪掌柜的
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