透明度
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<script src="../js/jquery.min.js" type="text/javascript"></script>
<script type="text/javascript">
$().ready(function () {
$("#trange").bind(‘change‘,function () {
var val=$("#trange").val();
$("#txtRangeValue").val(val); //赋值
// 透明度设置
// $("#myDiv").get(0).style.filter="alpha("+val+")";
// $("#myDiv").get(0).style.opacity=val/100;
$("#myDiv").css({filter:"alpha("+val+")",opacity:val/100});
})
});
</script>
</head>
<body>
<form>
进度条 <input type="range" id="trange" min="0" max="100" step="1" value="100"/><br/>
范围值:<input type="text" id="txtRangeValue" value="100"/><br />
<div id="myDiv" style="width:200px;height: 200px;background-color: #4cae4c;">透明度</div>
</form>
</body>
</html>
RGB
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<script src="../js/jquery.min.js" type="text/javascript"></script>
<script type="text/javascript">
/* function $(id){
return document.getElementById(id);
}
window.onload=function(){
var elems=document.getElementsByTagName("input");
for(var i=0;i<elems.length;i++){
elems[i].addEventListener("change",change_color,false);
}
function change_color(){
var r=$("red").value;
var g=$("green").value;
var b=$("blue").value;
$("myDiv").style.backgroundColor="rgb("+r+","+g+","+b+")";
}
}
*/
$().ready(function () {
$("input").each(function(i,item){
$(item).bind("change", function () {
var r=$("#red").val();
var g=$("#green").val();
var b=$("#blue").val();
$("#myDiv").css("backgroundColor","rgb("+r+","+g+","+b+")");
})
});
});
</script>
</head>
<body>
<form>
r <input type="range" id="red" min="0" max="100" step="1" value="255"/><br/>
g <input type="range" id="green" min="0" max="100" step="1" value="255"/><br/>
b <input type="range" id="blue" min="0" max="100" step="1" value="255"/><br/>
<div id="myDiv" style="width:200px;height: 200px;background-color: #4cae4c;">透明度</div>
</form>
<p></p>
</body>
</html>
时间： 2024-10-13 03:02:38