标签:调用 提示 res date() fun 华文楷体 pass inner 作业1
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>JavaScript</title> </head> <body> <p id="demo">abcccc</p> <script> document.write(Date()).innerHTML = aaaaaaaaa; document.getElementById("demo").innerHTML = 123456789; </script> <button type="button" onclick=window.alert("number")>press</button> </body> </html>
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>登录</title> <link rel="stylesheet" href="style.css" type="text/css"> <script> function fnLogin() { var oUname = document.getElementById("uname") var oError = document.getElementById("error_box") var oUword = document.getElementById("uword") if(oUname.value.length<6){ oError.innerHTML = "用户名至少4位" } if(oUname.value.length==0){ oError.innerHTML = "请输入用户名" } if(oUname.value.length>12){ oError.innerHTML = "用户名至多13位" } if(oUword.value.length==0){ oError.innerHTML = "请输入密码" } if(oUword.value.length<6){ oError.innerHTML = "密码至少6位" } if(oUword.value.length>20){ oError.innerHTML = "密码至多20位" } } </script> </head> <body style="background-color: aliceblue"> <div class="box" > <h2 class="denglu">登录</h2> <div class="input_box"> <input id="uname" type="text" placeholder="请输入用户名"> </div> <div class="input_box"> <input id="uword" type="password" placeholder="请输入密码"> </div> <div id="error_box"><br></div> <div class="input_box"> <button onclick="fnLogin()">登录</button> </div> </div> </body> </html>
.box{ border: 1px solid #cccccc; width: 334px; margin: 5px; text-align: center; } .denglu{ background-color: cornflowerblue; font-family: 华文楷体; font-size: 35px; } .input_box{ height: 40px; }
标签:调用 提示 res date() fun 华文楷体 pass inner 作业1
原文地址:http://www.cnblogs.com/888abc/p/7732497.html