<html>
<script type=\"text/javascript\" src=\"jquery.js\"></script>
<style>
.d_b{
height: 20px;
width: 10px;
display: inline-block;
background-color: black;
position: relative;
vertical-align: middle;
top: -15px;
left: -5px;
}
</style>
<div id=\"d\" style=\"width:200px;cursor: pointer;\" max=100 min=0 value=10 >
<div style=\"height:10px; width:100%; background-color:green\" ></div>
<b class=\"d_b\"></b>
</div>
<b id=\"text\"></b>
<script>
var $dom = $(document);
$dom.on(\'mousedown\',\'#d\',function (argument) {
$(this).data(\'mouse\',\'down\');
console.log(\'down\');
})
$dom.on(\'mouseup\',function(){
$(\'#d\').data(\'mouse\',\'up\');
console.log(\'up\');
});
$dom.on(\'mousemove\',\'#d\',function(event){
if($(this).data(\'mouse\') == \'down\'){
var m_x = event.clientX;
var d_b = $(this).find(\'.d_b\');
m_x = m_x < 8 ? 8 : m_x;
m_x = m_x > 208 ? 208: m_x;
d_b.css(\'left\',m_x-13);
var max = $(this).attr(\'max\');
$(this).attr(\'value\', Math.floor((m_x-8)/200 * max))
console.log($(this).attr(\'value\'));
$(\'#text\').text($(this).attr(\'value\'))
}
});
</script>
</html>
效果图:
以上就是本文的全部内容了,希望能够对大家学习使用jQuery有所帮助。
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