<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title> HTML5 input元素type=range </title>
<style>
#range{
color:#f69;
}
input[type="range"] {
-webkit-appearance: none;
-webkit-box-shadow: 0 1px 0 0px #424242,
0 1px 0 #060607 inset,
0px 2px 10px 0px black inset,
1px 0px 2px rgba(0, 0, 0, 0.4) inset,
0 0px 1px rgba(0, 0, 0, 0.6) inset;
margin-top: 2px;
background-color: #f69;
border-radius: 15px;
width: 400px;
}
input[type="range"]::-webkit-slider-thumb {
-webkit-appearance: none;
cursor: default;
top: 1px;
cursor: default;
top: 1px;
height: 15px;
width: 100px;
background: none repeat scroll 0 0 #777;
border-radius: 15px;
-webkit-box-shadow: 0 -1px 1px black inset;
}
</style>
</head>
<body>
<input id="range" type="range" min="0" max="100" value="0" >
<script type='text/javascript'>
~function(){
var slider = document.getElementById('range')
function gooo(){
alert('gooo')
}
if ('range' == slider.type){
var ov = slider.value
slider.onchange = function(){
var v = this.value|0
if (v < ov) return this.value = ov
var v = this.value|0
if (v < ov) return this.value = ov
ov = v
if (v > 50) {
this.value = ov = 100
gooo()
}
}
}else{
slider.onclick = gooo
}
}()
</script>
</body>
</html>
