button.css

简洁、直观、强悍的前端开发框架，让web开发更迅速、简单。

button.css 由 100素材网开发，欢迎广大前端码农使用。有好的建议欢迎给我们留言哦！

Nicole McIntyre 发布于

网页取色代码

网页背景产生器js特效代码

文章来源： 100素材网更新时间： 2014-04-22 23:12:43

网页取色代码网页背景设置代码 jquery控制样式 jquery control style

<a style="display:none" href="http://www.100sucai.com">www.100sucai.com</a>
        <HTML>
<HEAD>
<TITLE>网页背景产生器</TITLE>
<META http-equiv=Content-Type content="text/html; charset=gb2312">
<META content="MSHTML 6.00.2900.2180" name=GENERATOR>
</HEAD>

<BODY>
<SCRIPT language=JavaScript>

function NumToHex(num1,num2) {
strNum=document.forms[0].elements[num1].value;
for(i = 0; i < strNum.length; i++) {
chr=strNum.substring(i, i + 1);        
if((isNaN(chr))||(chr == ' ')) {
alert('You must enter a digit between 0 and 9!');
document.forms[0].elements[num1].select();
document.forms[0].elements[num2].value='';
return false;
   }
}
if(strNum > 255) {
alert('You must enter a number between 0 and 255!');
document.forms[0].elements[num1].select();
document.forms[0].elements[num2].value='';
return false;
}
else {
base = strNum / 16;
rem = strNum % 16;
base = base - (rem / 16);
baseS = MakeHex(base);
remS = MakeHex(rem);
document.forms[0].elements[num2].value=baseS + '' + remS;
ChangeBackground(3, 4, 5);
return true;
   }
}
function MakeHex(x) {
if((x >= 0) && (x <= 9))
return x;
else {
switch(x) {
case 10: return "A"; 
case 11: return "B";  
case 12: return "C";  
case 13: return "D";  
case 14: return "E";  
case 15: return "F";  
      }
   }
}
function HexToNum(num1,num2) {
numberS = document.forms[0].elements[num1].value;
tens = MakeNum(numberS.substring(0,1));
if(tens == 'X') {
document.forms[0].elements[num1].select();
document.forms[0].elements[num2].value='';
return false;
}
ones = 0;
if(numberS.length > 1) // means two characters entered
ones=MakeNum(numberS.substring(1,2));
if(ones == 'X') {
document.forms[0].elements[num1].select();
document.forms[0].elements[num2].value='';
return false;
}
document.forms[0].elements[num2].value = (tens * 16) + (ones * 1);
document.forms[0].elements[num1].value = document.forms[0].elements[num1].value.toUpperCase();
ChangeBackground(3, 4, 5);
return true;
}
function MakeNum(str) {
if((str >= 0) && (str <= 9))
return str;
switch(str.toUpperCase()) {
case "A": return 10;
case "B": return 11;
case "C": return 12;
case "D": return 13;
case "E": return 14;
case "F": return 15;
default:  alert('You must choose a number between 0 and 9 or a letter between A and F!');
return 'X';
   }
}
function ChangeBackground(num1, num2, num3) {
document.bgColor = '#'+document.forms[0].elements[num1].value + document.forms[0].elements[num2].value + document.forms[0].elements[num3].value;
}
</SCRIPT>
 
<FORM>
<TABLE cellPadding=10 align=center bgColor=white border=0>
  <TBODY>
  <TR bgColor=#000000>
    <TH><FONT color=#33ff33>Color/Code</FONT></TH>
    <TH><FONT color=#33ff33>Red</FONT></TH>
    <TH><FONT color=#33ff33>Green</FONT></TH>
    <TH><FONT color=#33ff33>Blue</FONT></TH></TR>
  <TR bgColor=#000000>
    <TH><FONT color=#33ff33>0-255</FONT></TH>
    <TD><INPUT onKeyUp="return NumToHex(0,3);" maxLength=3 size=4 
    name=rr_num></TD>
    <TD><INPUT onKeyUp="return NumToHex(1,4);" maxLength=3 size=4 
    name=gg_num></TD>
    <TD><INPUT onKeyUp="return NumToHex(2,5);" maxLength=3 size=4 
    name=bb_num></TD></TR>
  <TR bgColor=#000000>
    <TH><FONT color=#33ff33>HEX</FONT></TH>
    <TD><INPUT onKeyUp="return HexToNum(3,0);" maxLength=2 size=4 name=rr_hex> 
    </TD>
    <TD><INPUT onKeyUp="return HexToNum(4,1);" maxLength=2 size=4 name=gg_hex> 
    </TD>
    <TD><INPUT onKeyUp="return HexToNum(5,2);" maxLength=2 size=4 
    name=bb_hex></TD></TR></TBODY></TABLE></FORM>
    <center>
    
	</center>
	</BODY>
	</HTML>

浏览次数次

上一篇文章： div透明度—浏览器兼容

下一篇文章：打开本地硬盘上的分区

推荐阅读：

相关代码：

标签分类