!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
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "【转自：美国高防站群服务器 http://www.558idc.com/mggfzq.html 复制请保留原URL】
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=utf-8" />
<title>无标题文档</title>
<script type="text/javascript">
var setCursorPos = function(el, pos){
if(el.createTextRange){
var rng = el.createTextRange(); //新建textRange对象
rng.moveStart('character', pos); //更改rng对象的开始位置
rng.collapse(true); //光标移动到范围结尾
rng.select();//选中
el.focus();
}else if(el.setSelectionRange){
el.focus(); //先聚集
el.setSelectionRange( pos , pos ); //设光标
}
}
</script>
</head>
<body>
<input type="text" id="aaa" value="abcdefghijk123456789"/><input type="button" value="test" οnclick="setCursorPos(document.getElementById('aaa'),10);"/>
</body>
</html>