站长图库向大家介绍了js实现,js滑动,进度条等相关知识,希望对您有所帮助
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 p{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 p{display:block;font-size:10%;color:#fff;background:#409eff;} </style></head><body> <p class="progress-bar"> <span class="min-num">0</span> <span class="max-num">100</span> <p class="pro-bar"></p> <p class="block"> <p>0</p> </p> </p></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('p').innerText = percent + '%'; } }; }; // 鼠标松开移除事件 moveBlock.onmouseup = function(){ document.onmousemove = null; };})();</script></html>