function valueR()
{
var max =0;
for(var i=0;i <t.cells.length;i++)
{
var j=t.cells(i).innerHTML
if(max<parseInt(j))
max = parseInt(j)
}
alert(max)
}
这意思？
{
var max =0;
for(var i=0;i <t.cells.length;i++)
{
var j=t.cells(i).innerHTML
if(max<parseInt(j))
max = parseInt(j)
}
alert(max)
}
这意思？
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
<style>
td{
border:1 solid red;
width:80
}
</style>
</HEAD> <BODY>
<TABLE id="otbl" style="border:1 solid red;border-collapse:collapse;">
<TR>
<TD>2</TD>
<TD>4</TD>
<TD>54</TD>
<TD>6</TD>
</TR>
<TR>
<TD>3</TD>
<TD>61</TD>
<TD>24</TD>
<TD>7</TD>
</TR>
<TR>
<TD>8</TD>
<TD>21</TD>
<TD>20</TD>
<TD>5</TD>
</TR>
<TR>
<TD>33</TD>
<TD>55</TD>
<TD>78</TD>
<TD>99</TD>
</TR>
</TABLE>
最大值为:<INPUT TYPE="text" id="otext">
<SCRIPT LANGUAGE="JavaScript">
<!--
var arr = new Array;
var otbl = document.getElementById("otbl");
for(var i=0;i<otbl.rows.length;i++){ for(var j=0;j<otbl.rows[i].cells.length;j++){
arr.push(otbl.rows[i].cells[j].innerText);
}
}
var xx = eval("Math.max("+arr.join(",")+")");
document.getElementById("otext").value = xx;
//-->
</SCRIPT> </BODY>
</HTML>
是这个意思不？
<TR>
<TD>33</TD>
<TD>400</TD>
<TD>51</TD>
<TD>85</TD>
</TR>
<TR>
<TD>12</TD>
<TD>75</TD>
<TD>38</TD>
<TD>68</TD>
</TR>
<TR>
<TD>99</TD>
<TD>32</TD>
<TD>6</TD>
<TD>88</TD>
</TR>
</TABLE>
<script language="javascript">
function valueR()
{
var max=0;
for(var i=0;i<tab.cells.length;i++)
{
var j=Number(tab.cells(i).innerText)
if(max<j)
{
max=j;
}
}
document.write(max);
}
</script>
<button id="button1" type="button" onclick="valueR">最大值</button>
谢谢大家支持