<span style="white-space:pre"> </span>var h = new Array()（2）指定数组前n个元素的值
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<script type="text/jscript" language="javascript">
function pp(field)
{
var rtn = window.showModalDialog("color.html","","dialogWidth=220px;dialogHeight=200px;status=no;help=no;scrollbars=no")
if(rtn!=null)
{
field.style.background= rtn
}
return;
}
</script>
</head>
<body>
<input type="text" readonly="yes" id="color" name="color" size=3 style="background:#000000" value = "" onclick = "pp(this)">
</body>
</html>(2)网页拾色器color.html<script language="javascript">
var h = new Array(6);
h[0] = "FF";
h[1] = "CC";
h[2] = "99";
h[3] = "66";
h[4] = "33";
h[5] = "00";
function action(RGB)
{
parent.window.returnValue = "#"+RGB;
window.close();
}
function Mcell(R,G,B)
{
document.write('<td bgcolor="#'+R+G+B+'">');
document.write('<a href="#" onclick="action(\''+(R+G+B)+'\')">');
document.write('<img border=0 height=12 width=12\')"alt=\'#'+R+G+B+'\'>');
document.write('</a>');
document.write('</td>');
}
function Mtr(R,B)
{
document.write('<tr>');
for (var i = 0; i <6; ++i)
{
Mcell( R , h[i] , B );
}
document.write('</tr>');
}
function Mtable(B)
{
document.write('<table cellpadding=0 cellspacing=0 border=0>');
for(var i = 0;i<6;++i)
{
Mtr(h[i],B);
}
document.write('</table>')
}
function Mcube()
{
document.write('<table cellpadding=0 cellspacing=0 border=0>');
for(var i = 0;i<6;++i)
{
if(i%3 == 0)
{
document.write('<tr>')
}
document.write('<td bgcolor=#000000">');
Mtable(h[i]);
document.write('</td>')
if(i%3==2)
{
document.write('</tr>')
}
}
document.write('</table>');
}
Mcube();
</script>
原文：http://blog.csdn.net/yejinwei1220/article/details/45786663