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如何使用JavaScript实现按钮颜色渐变的动画效果方法介绍

程序员文章站 2022-04-07 15:25:16
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本文实例讲述了js实现按钮颜色渐变动画效果的方法。分享给大家供大家参考。具体如下:

这里演示js实现按钮慢慢变色的方法,鼠标移到按钮上,按钮的背景色就发生变化,是慢慢的变化,点击按钮会打开指定链接,这里主要是演示按钮变色的代码实现方法。

运行效果截图如下:

如何使用JavaScript实现按钮颜色渐变的动画效果方法介绍

在线演示地址如下:

http://demo.jb51.net/js/2015/js-button-cha-color-animate-codes/

具体代码如下:

<HTML><HEAD><TITLE>按钮慢慢变色</TITLE>
<STYLE type=text/css>
BODY {
 MARGIN-TOP: 0px; FONT-SIZE: 9pt; MARGIN-LEFT: 0px; MARGIN-RIGHT: 0px; FONT-FAMILY: "宋体"
}
A {
 FONT-WEIGHT: 400; FONT-SIZE: 9pt; COLOR: black; TEXT-DECORATION: none
}
A:hover {
 FONT-WEIGHT: 400; FONT-SIZE: 9pt; COLOR: red; TEXT-DECORATION: underline
}
A:active {
 FONT: 9pt "宋体"; CURSOR: hand; COLOR: #ff0033
}
.STYLE1 {
 color: #000099;
 font-weight: bold;
 font-family: "华文新魏";
 font-size: 30px;
}
.STYLE2 {
 color: #FF3399;
 font-size: 40px;
 font-family: "华文行楷";
}
</STYLE>
<META http-equiv=Content-Type content="text/html; charset=gb2312">
</HEAD>
<BODY bgColor=#fef4d9>
<CENTER>
 <span class="STYLE2">按钮慢慢变色</span>
</CENTER><BR>
<CENTER>
<TABLE borderColor=#66FF00 border=5 borderlight="green">
 <TBODY>
 <TR>
 <TD align=middle><span class="STYLE1">效果显示</span></TD>
 </TR>
 <TR>
 <TD align=middle>
  <SCRIPT language=JavaScript>
hexColor = ["0","1","2","3","4","5","6","7","8","9","a","b","c","d","e","f"];
function mOver() {
for (i = 0; i < 13; i++) {
setTimeout("document.myForm.button.style.background = "#"+hexColor[12-i]+"0"+hexColor[12-i]+"0c0";", i * 40);
 }
}
function mOut() {
document.myForm.button.value = "进入JavaScript中文网";
for (i = 0; i < 12; i++) {
setTimeout("document.myForm.button.style.background = "#"+hexColor[i]+"0"+hexColor[i]+"0c0";", i * 40);
 }
}
// End -->
</SCRIPT>
  <FORM name=myForm>
  <input onMouseDown="document.myForm.button.value=" 谢谢"" onMouseOver=mOver() onClick="window.location="http://www.jb51.net/"" onMouseOut=mOut() type=button value=鼠标放在上面 name=button >
  </FORM></TD></TR></TBODY></TABLE>
</CENTER>
</BODY>
</HTML>

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