When a domain is used or changed, it will change color. [Filled] for tips form

 

  <html>
  <head>
  <script src="https://code.jquery.com/jquery-3.3.1.min.js"></script>
  <script type="text/javascript">
  $(document).ready(function(){
  $(".field").change(function(){
  $(this).css("background-color","#FFFFCC");
  });
  });
  </script>
  </head>
  <body>
  <p> is used when a domain or changed, it changes color. </ p>
  Enter your name: <input class="field" type="text" />
  <p>Car:
  <select class="field" name="cars">
  <option value="volvo">Volvo</option>
  <option value="saab">Saab</option>
  <option value="fiat">Fiat</option>
  <option value="audi">Audi</option>
  </select>
  </p>
  </body>
  </html>
 

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Origin www.cnblogs.com/apolloren/p/12129493.html