js implements lightweight prompt plug-in based on regular expressions

js implements lightweight prompt plug-in based on regular expressions_javascript skills

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Release： 2016-05-16 15:41:39

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The example in this article describes a lightweight prompt plug-in based on regular expressions, which is shared with everyone for your reference. The details are as follows:
This is a javascript implementation of a lightweight prompt plug-in based on regular expressions. This plug-in detects text boxes based on regular expressions. It is very versatile and can be used in examples.
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Key code:

    $(document).ready(function () {
      $("#message").inputNotes(
       {
         sexwarning: {
           pattern: /(^|\s)色情(\s|$)/ig,
           type: 'warning',
           text: 'Do not type "sex"!'
         },
         numbersnote: {
           pattern: /[0-9]/,
           type: 'note',
           text: 'Do not type numbers!'
         }
       }
      );
    });

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The code shared with you is as follows

<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
  <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
  <title>基于正则表达式的轻量提示插件</title>
  <script src="js/jquery-1.7.1.js"></script>
  <script src="js/jquery.inputnotes-0.6.js"></script>
</head>
<style>
  div.inputnotes div.warning
  {
    color: #fff;
    background: #f03;
  }
</style>
<body>
  若输入“不合法”字眼的文字将提示<br />
  <textarea  id="message" cols="60" rows="4" ></textarea>
  <a href="javascript:void(null);" onclick="alert( $('#message').hasInputNotes() )"><br />文本框是否含不合法的字符</a>
  <script>
    $(document).ready(function () {
      $("#message").inputNotes(
       {
         sexwarning: {
           pattern: /(^|\s)不合法(\s|$)/ig,
           type: 'warning',
           text: '不能出现 "不合法"相关的字符!'
         },
         numbersnote: {
           pattern: /[0-9]/,
           type: 'note',
           text: 'Do not type numbers!'
         }
       }
      );
    });

  </script>
</body>
</html>

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The above is a lightweight prompt plug-in based on regular expressions shared with you. I hope you can like it and apply it in practice.