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How to make jQuery enter trigger button event

php中世界最好的语言Original: 2018-05-03 14:01:131671browse

This time I will show you how to make jQuery enter to trigger a button event, and what are the precautions for jQuery to trigger a button event by pressing enter. 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!

How to make jQuery enter trigger button event

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