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Detailed explanation of the steps to implement the jQuery enter-triggered button event

php中世界最好的语言Original: 2018-05-08 15:59:071822browse

This time I will bring you a detailed explanation of the steps to implement the jQuery Enter trigger button event. What are the precautions for implementing the jQuery Enter trigger button event. The following is a practical case, let's take a look.

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta charset="utf-8"/>
  <title> jQuery回车触发按钮事件</title>
  <script src="jquery-1.4.2.min.js" type="text/javascript"></script>
  <script language="javascript" type="text/javascript">
    $(function () {
      $('#Submit').click(function () {
        var account = $('#AccountInput').val();
        var password = $('#PasswordInput').val();
        if (account == '') {
          alert('Please input account.');
          $('#AccountInput').focus();
          return false;
        }
        if (password == '') {
          alert('Please input password.');
          $('#PasswordInput').focus();
          return false;
        }
        if (account == 'chad' && password == '123456') {
          alert('Login success.');
        }
        else {
          alert('Login failed.');
        }
      });
      $(document).keydown(function (event) {
        if (event.keyCode == 13) {
          $('#Submit').triggerHandler('click');
        }
      });
    });
  </script>
</head>
<body>
  <form id="form1" runat="server">
  <p>
    <table>
      <tr>
        <td> account</td>
        <td><input id="AccountInput" type="text" style="width: 150px;" /></td>
      </tr>
      <tr>
        <td>password</td>
        <td><input id="PasswordInput" type="text" style="width: 150px;" /></td>
      </tr>
      <tr>
        <td><input id="Submit" type="button" value="submit"/></td>
      </tr>
    </table>
  </p>
  </form>
</body>
</html>

I believe you have mastered the method after reading the case in this article. For more exciting information, please pay attention to other related articles on the php Chinese website!

Detailed explanation of the steps to implement the jQuery enter-triggered button event

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