jquery method to realize real-time change of web page font size, font background color and color

jquery method to realize real-time change of web page font size, font background color and color_jquery

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Release： 2016-05-16 15:47:17

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The example in this article describes how jquery can change the font size, font background color and color of the web page in real time. Share it with everyone for your reference. The details are as follows:

Here we use jquery to change the font size, font background color and color in real time. JQUERY makes many things easier. It is indeed a practical little plug-in. Friends who are not familiar with JQ should look at some more examples, such as now From this small example, you can learn a lot of knowledge points.

The operation effect is as shown below:

The specific code is as follows:

<!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>
<title></title>
<script type="text/javascript" src="js/jquery1.3.2.js"></script>
<script type="text/javascript">
$(document).ready(function() {
  $("#fontsize").change(
  function()
  {
   $("p").css({fontSize:this.value});//dom
  }
  )
  // change the font color
  $("#backgroundcolor").change(
  function()
  {
   $("p").css({background:this.value});
  }
  )
  // change the background color
  $("#fontcolor").change(
  function()
  {
   $("p").css({color:this.value});
  }
  )
});
</script>
</head>
<body>
<div id="formstylecontrols">
  <label for="fontsize">字体大小</label>
  <select id="fontsize">
    <option value="12px">小号</option>
    <option value="14px">较小</option>
    <option value="16px" >中号</option>
    <option value="18px">较大</option>
    <option value="24px">大号</option>
  </select>
  <label for="backgroundbackground">背景颜色</label>
  <select id="backgroundcolor">
    <option value="#F4FBFF">默认</option>
    <option value="gray">淡灰</option>
    <option value="red">红色</option>
    <option value="green">绿色</option>
  <option value="yellow">明黄</option>
  </select>
  <label for="fontcolor">字体颜色</label>
  <select id="fontcolor">
    <option value="#000000">黑色</option>
    <option value="#ff0000">红色</option>
    <option value="#006600">绿色</option>
    <option value="#0000ff">蓝色</option>
  <option value="#660000">棕色</option>
  </select>
  <label>
 <input type="submit" id="style" value="保存设置" />
 </label>
</div>
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</body>
</script>
</html>

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I hope this article will be helpful to everyone’s jquery programming design.