简单计算器示例

来源：互联网发布：原生ajax请求json数据编辑：程序博客网时间：2024/05/20 05:46
<!DOCTYPE html><html>  <head>    <title>2.html</title>    <meta name="keywords" content="keyword1,keyword2,keyword3">    <meta name="description" content="this is my page">    <meta name="content-type" content="text/html; charset=UTF-8">        <!--<link rel="stylesheet" type="text/css" href="./styles.css">-->  </head>    <body>    <table border=1>    <tr>      <td colspan="5"><input  type=text value="                    0" align="right"  ></td>    </tr>    <tr>          <td><input  type=button value="MC   " align=center></td>     <td><input  type=button value="MR   " align=center></td>     <td><input  type=button value="MS   "  align=center></td>     <td><input  type=button value="M+   " align=center></td>     <td><input  type=button value="M-   " align=center></td>    </tr>     <tr>            <td><input  type=button value="<-   " align=center></td>     <td><input  type=button value="CE   " align=center></td>     <td><input  type=button value= "C    " align=center></td>     <td><input  type=button value="+_   " align=center></td>     <td><input  type=button value="   G   " align=center></td>    </tr>     <tr>     <td><input  type=button value="7    " align=center></td>     <td><input  type=button value="8    " align=center></td>     <td><input  type=button value="9    " align=center></td>     <td><input  type=button value="/    " align=center></td>     <td><input  type=button value="%    " align=center></td>    </tr>     <tr>     <td><input  type=button value="4    " align=center></td>     <td><input  type=button value="5    " align=center></td>     <td><input  type=button value="6    " align=center></td>     <td><input  type=button value="*    " align=center></td>     <td><input  type=button value="1/x  " align=center></td>    </tr>      <tr>     <td><input  type=button value="1    " align=center></td>     <td><input  type=button value="2    " align=center></td>     <td><input  type=button value="3    " align=center></td>     <td><input  type=button value="-    " align=center></td>     <td rowspan=2><input  type=button value="  =   " align=center></td>    </tr>      <tr>     <td colspan=2><input  type=button value="      0         " align="center"></td>     <td><input  type=button value="   .   " align=center></td>     <td><input  type=button value="+    " align=center></td>         </tr>    </table>  </body></html>
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