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Jquery checks whether the mobile phone number complies with the rules and sets the submit button to different states based on the mobile phone number detection results_jquery

WBOYOriginal: 2016-05-16 15:29:331665browse

Project requirements:

Enter the mobile phone number and determine whether the entered mobile phone number complies with the rules in real time:

If it does not comply with the rules, the submit button is disabled, the mobile phone number information cannot be submitted, and the button displays a gray background;

If it meets the rules, you can submit the entered mobile phone number information and set the button background to red.

The code is as follows:

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Document</title>
  <style>
    .box{
      width: 400px;
      margin: 50px auto;
      border: 1px solid #ccc;
      padding: 50px;
    }
    #phone{
      text-align: center;
      margin-bottom: 20px;
      border: 1px solid #ccc;
      color: #333;
    }
    .submit,
    .disable,
    #phone{
      display: block;
      width: 190px;
      height: 35px;
      border-radius: 5px;
      margin-left:auto;
      margin-right:auto;
    }
    .disable{
      border: none;
      background-color: #ccc;
      color: #fff;
    }
    .submit{
      border: none;
      background-color: red;
      color: #fff;
    }
  </style>
</head>
<body>
  <div class="box">
    <input id="phone" type="text" placeholder="输入领券手机号" maxlength="11">
    <button id="submit" class="disable" disabled>确认领取</button>
  </div>
  <script src="jquery.min.js"></script>
  <script>
    $(function () {
      var $phone = $('#phone');
      var $submit = $('#submit');
      $phone.on('input propertychange', function () {
        var phone = this.value;
        if (/^((13[0-9]|15[0-9]|17[0-9]|18[0-9])+\d{8})$/.test(phone)) {
          $submit.removeClass('disable').addClass('submit').removeAttr('disabled');
        } else {
          $submit.removeClass('submit').addClass('disable').attr('disabled', 'disabled');
        }
      });
    });
  </script>
</body>
</html>

Effect:

When the mobile phone number entered by the user does not comply with the rules:

When the mobile phone number entered by the user complies with the rules:

ps:jquery verification phone number

var isMobile=/^(&#63;:13\d|15\d|18\d)\d{5}(\d{3}|\*{3})$/; //手机号码验证规则
var isPhone=/^((0\d{2,3})-)&#63;(\d{7,8})(-(\d{3,}))&#63;$/;  //座机验证规则
var dianhua = $("#dianhua").val();          //获得用户填写的号码值 赋值给变量dianhua
if(！isMobile.test(dianhua) && !isPhone.test(dianhua)){ //如果用户输入的值不同时满足手机号和座机号的正则
  alert("请正确填写电话号码，例如:13415764179或0321-4816048"); //就弹出提示信息
  $("#dianhua").focus();    //输入框获得光标
  return false;     //返回一个错误，不向下执行

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Jquery checks whether the mobile phone number complies with the rules and sets the submit button to different states based on the mobile phone number detection results_jquery

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