<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <title>Title </title>
  </head>
  <body>
    <div id="demo">
      <h1>XMLHttpRequest对象</h1>
      <button type="button" onclick="loadDoc()">修改</button>
    </div>

    <div id="search">
      <input id='myInput' onkeyup='searchAllTable()' type='text'>
      <table id='myTable1'>
	<tr>
	  <td>Apple</td>
	  <td>Green</td>
	</tr>
	<tr>
	  <td>Grapes</td>
	  <td>Green</td>
	</tr>
	<tr>
	  <td>Orange</td>
	  <td>Orange</td>
	</tr>
      </ta