用 onerror 获取错误信息(2)

2008-02-23 06:21:10来源:互联网 阅读 ()

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var rng = obj.createTextRange();
var arr = obj.value.split(/\n/);
if(ln>arr.length) ln = arr.length;
var str_tmp = "";
for(var i=0; i<ln-1; i ) {
str_tmp = arr[i];
}
rng.moveStart('character',str_tmp.length);
str_tmp = "";
for(i=ln; i<arr.length; i ) {
str_tmp = arr[i];
}
rng.moveEnd('character',-str_tmp.length);
rng.select();
return;
}

window.onload = function() {document.getElementById("txt_main").value = "<script>\nalert(')\n<\/script>";}
</script>
<BODY>
<table width='600' class='list' border='1' bgcolor='#eeeeee' bordercolorlight='#000000' bordercolordark='#FFFFFF' cellpadding='0' cellspacing='0'>
<tr bgcolor='#cccccc'>
<td colspan='2' height='20' align='center'><b>Debug Textarea</b></td>
</tr>
<tr>
<td colspan='2'>
<table width='95%' border='0' align='center' >
<tr>
<td align='center'><br />
<textarea id='txt_ln' name='content' rows='10' style='width:40px;overflow:hidden;height:200px;border-right:0px;text-align:right;line-height:14px' onselectstart='this.nextSibling.focus();return false' readonly></textarea><textarea id='txt_main' name='content' rows='10' cols='80' onkeydown='editTab()' onkeyup='show_ln()' onscroll='show_ln()' wrap='off' style='overflow:auto;height:200px;padding-left:5px;border-left:0px;line-height:14px'></textarea>
<script>for(var i=1; i<=20; i ) document.getElementById('txt_ln').value = i '\n';</script>
</td>
</tr>
<tr>
<td align='center'><br />
<input type='button' value=' 运 行 ' onclick='runcode()' accesskey='r'>&nbsp;&nbsp;
<input type='button' value=' 保 存 ' onclick='savecode()' accesskey='s'>&nbsp;&nbsp;
<input type='button' value=' 跳 转 ' onclick="goto(prompt('Please input the line number', '1'))" accesskey='g'>&nbsp;&nbsp;
</td>
</tr>
</table>
</td>
</tr>
</table>
</BODY>
</HTML>



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