<table width="100" border="2" cellspacing="0" cellpadding="0">
<tr>
<td id="td1">I was a student!</td>
</tr>
</table>
<input name=button1 type=button value="按" onclick=show()>
<script language=javascript>
function show()
{
if(document.selection.createRange().text=="")
{
return
}
var strTemp=document.selection.createRange().text
document.selection.createRange().text=strTemp+"###"
var s = document.getElementById("td1").innerText.indexOf(document.selection.createRange().text)+1;
var n = document.selection.createRange().text.length-3;
document.getElementById("td1").innerText=document.getElementById("td1").innerText.replace(/###/,"")
alert("开始位置"+s+"\r\n结束位置"+(parseInt(s)+parseInt(n)))
}
</script>
<tr>
<td id="td1">I was a student!</td>
</tr>
</table>
<input name=button1 type=button value="按" onclick=show()>
<script language=javascript>
function show()
{
if(document.selection.createRange().text=="")
{
return
}
var strTemp=document.selection.createRange().text
document.selection.createRange().text=strTemp+"###"
var s = document.getElementById("td1").innerText.indexOf(document.selection.createRange().text)+1;
var n = document.selection.createRange().text.length-3;
document.getElementById("td1").innerText=document.getElementById("td1").innerText.replace(/###/,"")
alert("开始位置"+s+"\r\n结束位置"+(parseInt(s)+parseInt(n)))
}
</script>
解决方案 »
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