本文實例為大家分享了JavaScript實現滑塊驗證解鎖的具體代碼，供大家參考，具體內容如下
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<!DOCTYPE html><html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> // 引入矢量圖標庫 <link rel="stylesheet" href="https://at.alicdn.com/t/font_2248239_eso2z5bskxk.css"> <title>Document</title> <style> * { margin: 0; padding: 0; } .box { width: 300px; height: 40px; line-height: 40px; text-align: center; background-color: #e8e8e8; box-shadow: 1px 1px 5px rgba(0, 0, 0, 0.2); position: relative; margin-top: 100px; margin-left: 200px; } .box .bgColor { position: absolute; left: 0; top: 0; width: 40px; height: 40px; } .box .tips { position: absolute; width: 100%; height: 40px; line-height: 40px; font-size: 14px; color: #000; text-align: center; user-select: none; } .ball { width: 50px; height: 38px; border: 1px solid #ccc; background: #fff; text-align: center; cursor: move; position: absolute; top: 0; left: 0; } </style></head> <body> <div class="box"> <div class="bgColor"></div> <div class="tips">滑動驗證</div> <div class="ball"><i class="iconfont icon-double-arro-right"></i></div> </div></body><script> var box = document.getElementsByClassName("box")[0]; var ball = document.getElementsByClassName("ball")[0]; var bgColor = document.getElementsByClassName("bgColor")[0]; var tips = document.getElementsByClassName("tips")[0]; // 設置成功狀態 var isSuccess = false; //默認為false 不成功 ball.onmousedown = function(e) { var e = e || window.event; // 獲取鼠標相對于事件源左上角的位置 var posx = e.offsetX; // 每次鼠標按下時 清除動畫樣式 ball.style.transition = ""; bgColor.style.transition = ""; document.onmousemove = function(e) { var e = e || window.event; var x = e.pageX - box.offsetLeft - posx; var max = box.clientWidth - ball.clientWidth; if (x <= 0) { x = 0; } if (x >= max) { x = max; } bgColor.style.width = x + "px"; ball.style.left = x + "px"; bgColor.style.backgroundColor = "#6ff"; if (x == max) { success(); } } document.onmouseup = function() { // 如果沒有解鎖成功則返回原點 if (!isSuccess) { bgColor.style.width = 0 + "px"; ball.style.left = 0 + "px"; ball.style.transition = "left 0.6s linear"; bgColor.style.transition = "width 0.6s linear"; } // 鼠標抬起時,移除鼠標移動事件和鼠標抬起事件 document.onmouseup = null; document.onmousemove = null; } } // 定義一個滑塊解鎖成功的方法 function success() { isSuccess = true; // 獲取圖標 var icon = ball.firstElementChild; tips.textContent = "解鎖成功"; bgColor.style.backgroundColor = "lightgreen"; icon.className = "iconfont icon-gou"; icon.style.color = "lightgreen"; //滑動成功時，移除鼠標按下事件 ball.onmousedown = null; }</script> </html> |
效果圖如下:
以上就是本文的全部內容，希望對大家的學習有所幫助，也希望大家多多支持服務器之家。
原文鏈接：https://blog.csdn.net/weixin_53278262/article/details/112172233
