init

2023-05-01 19:37:40 +08:00
commit da2c0fadf7
133 changed files with 29002 additions and 0 deletions
--- a/Html-Javascript/20-倒计时-倒数.html
+++ b/Html-Javascript/20-倒计时-倒数.html
@@ -0,0 +1,83 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Document</title>
+    <style>
+
+        #app {
+            border: solid salmon 1px;
+            width: 270px;
+            height: 270px;
+            padding: 50px 15px;
+        }
+        .item {
+            display: flex;
+            justify-content: space-around;
+        }
+
+
+    </style>
+</head>
+<body>
+
+
+    <div id="app">
+        <div class="item">
+            <input type="text" placeholder="请输入验证码">
+            <button id="verificationCode" >获取验证码</button>
+
+        </div>
+      
+
+    </div>
+
+<script>
+//倒数秒
+
+let verificationCode =document.querySelector("#verificationCode");
+let verificationCodeText = "获取验证码";
+
+//倒计时的总数
+let s=10;
+//发送验证码
+verificationCode.onclick =function(){
+
+    verificationCode.disabled=true;
+    //倒计时总数的 减数
+    let i=0;
+    //验证码 的倒计时
+    let interval = setInterval(()=>{
+        i++;
+        let ns = s-i;
+        //验证码倒计时结束
+        if(ns==0){
+            verificationCodeText="获取验证码"
+            verificationCode.disabled=false;
+            clearInterval(interval);
+
+        }else {
+            //验证码倒计时中
+            verificationCodeText=`请稍等，验证码发送中,${ns}s后再发送`;
+        }
+        //button内容更改
+        verificationCode.innerText =verificationCodeText;
+    },1000);
+    
+
+  
+}
+
+
+
+
+
+
+
+
+</script>
+
+
+</body>
+</html>