修改A标签里的内容,该怎么解决
日期：2014-05-17 浏览次数：20809 次
修改A标签里的内容
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN " "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd ">
<html xmlns= "http://www.w3.org/1999/xhtml ">
<head>
<meta http-equiv= "Content-Type " content= "text/html; charset=gb2312 " />
<title> 无标题文档 </title>
</head>
<body>
<div id= "div1 ">
<ul>
<li> <a href= "# " > AAA <span> abcd </span> </a> </li>
<li> <a href= "# " > BBB <span> vxyz </span> </a> </li>
</ul>
</div>
</body>
</html>
<script type= "text/javascript ">
var arr = document.getElementById( "div1 ").getElementsByTagName( "a ");
arr[0].innerHTML = "CCC ";
</script>
----
如上:用CCC替换AAA,结果是里面 <span> abcd </span> 也没了,
怎么才能不改变里面的情况下替换AAA?
------解决方案--------------------
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN " "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd ">
<html xmlns= "http://www.w3.org/1999/xhtml ">
<head>
<meta http-equiv= "Content-Type " content= "text/html; charset=gb2312 " />
<title> 无标题文档 </title>
</head>
<body>
<div id= "div1 ">
<ul>
<li> <a href= "# " > AAA <span> abcd </span> </a> </li>
<li> <a href= "# " > BBB <span> vxyz </span> </a> </li>
</ul>
</div>
</body>
</html>
<script type= "text/javascript ">
var arr = document.getElementById( "div1 ").getElementsByTagName( "a ");
arr[0].childNodes[0].data = "CCC ";
</script>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN " "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd ">
<html xmlns= "http://www.w3.org/1999/xhtml ">
<head>
<meta http-equiv= "Content-Type " content= "text/html; charset=gb2312 " />
<title> 无标题文档 </title>
</head>
<body>
<div id= "div1 ">
<ul>
<li> <a href= "# " > AAA <span> abcd </span> </a> </li>
<li> <a href= "# " > BBB <span> vxyz </span> </a> </li>
</ul>
</div>
</body>
</html>
<script type= "text/javascript ">
var arr = document.getElementById( "div1 ").getElementsByTagName( "a ");
arr[0].innerHTML = "CCC ";
</script>
----
如上:用CCC替换AAA,结果是里面 <span> abcd </span> 也没了,
怎么才能不改变里面的情况下替换AAA?
------解决方案--------------------
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN " "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd ">
<html xmlns= "http://www.w3.org/1999/xhtml ">
<head>
<meta http-equiv= "Content-Type " content= "text/html; charset=gb2312 " />
<title> 无标题文档 </title>
</head>
<body>
<div id= "div1 ">
<ul>
<li> <a href= "# " > AAA <span> abcd </span> </a> </li>
<li> <a href= "# " > BBB <span> vxyz </span> </a> </li>
</ul>
</div>
</body>
</html>
<script type= "text/javascript ">
var arr = document.getElementById( "div1 ").getElementsByTagName( "a ");
arr[0].childNodes[0].data = "CCC ";
</script>
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