js实现滑动进度条效果
程序员文章站
2022-07-24 16:00:42
本文实例为大家分享了js实现滑动进度条效果的具体代码，供大家参考，具体内容如下进度条：
本文实例为大家分享了js实现滑动进度条效果的具体代码，供大家参考，具体内容如下
进度条：
<!doctype html>
<html>
<head>
<meta charset="utf-8" />
<title>js滑动进度条效果</title>
<style>
*{margin:0;padding:0;user-select:none;}
.progress-bar{position:relative;height:10px;width:400px;margin:200px auto;background:#ebeef5;border-radius:10px;}
.progress-bar .pro-bar{position:absolute;left:0;height:10px;width:10px;background:#409eff;}
.progress-bar .min-num{position:absolute;left:-20px;top:-5px;}
.progress-bar .max-num{position:absolute;right:-40px;top:-5px;}
.progress-bar .block {position:absolute;height:30px;width:10px;background:#ccc;top:-10px;border-radius:10px;}
.progress-bar .block div{position:absolute;display:none;left:-20px;top:-45px;width:50px;height:30px;text-align:center;line-height:30px;background:#ccc;border-radius:20px;}
.progress-bar .block:hover div{display:block;font-size:10%;color:#fff;background:#409eff;}
</style>
</head>
<body>
<div class="progress-bar">
<span class="min-num">0</span>
<span class="max-num">100</span>
<div class="pro-bar"></div>
<div class="block">
<div>0</div>
</div>
</div>
</body>
<script>
(function(){
let moveblock = document.queryselector('.block');
let probar = document.queryselector('.pro-bar');
let flag = false;
let startx = null;
let movemax = (400 - 10); // 背景条宽度减去滑块的宽度
moveblock.onmousedown = function(e){
startx = e.pagex;
moveblock.style.left ? moveblock.style.left : moveblock.style.left = '0px';
let startleft = parseint(moveblock.style.left);
document.onmousemove = function(e){
let movex = (e.pagex - startx) > 0 ? true : false;
let movesection = startleft + (e.pagex - startx);
// 限定移动范围
if (movesection >= 0 && movesection <= movemax) {
let percent = ((startleft + (e.pagex - startx)) / movemax).tofixed(4) * 100;
percent.tostring().length > 5 ? percent = percent.tostring().substr(0, 5) : percent = percent.tostring();
moveblock.style.left = startleft + (e.pagex - startx) + 'px';
probar.style.width = moveblock.style.left;
moveblock.queryselector('div').innertext = percent + '%';
}
};
};
// 鼠标松开移除事件
moveblock.onmouseup = function(){
document.onmousemove = null;
};
})();
</script>
</html>
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持。
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