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An example of how to implement button color gradient effect using javascript

巴扎黑Original: 2017-08-22 11:09:421597browse

The example in this article describes the method of realizing button color gradient animation effect in js. Share it with everyone for your reference. The details are as follows:

Here is a demonstration of the js method of slowly changing color of a button. When the mouse moves over the button, the background color of the button changes slowly. Clicking the button will open the specified link. The main thing here is Demonstrates the code implementation method of button color change.

The screenshot of the running effect is as follows:

An example of how to implement button color gradient effect using javascript

The specific code is as follows:

<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.php.cn/"" 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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