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 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

WBOY

Release： 2016-05-16 15:29:33

Original

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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>

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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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