带按钮开关的form时钟.htm

来自「JavaScript编程实例」· HTM 代码 · 共 41 行

HTM
41
字号
<html>
  <head>
    <title>带按钮开关的Form时钟</title>
  </head>
  
  <body bgcolor="aebcdf">
    <script language="JavaScript">
      var enabled=0; 
      function Time_Set()
      { 
        TM = window.setTimeout( "Time_Set()", 1000 ); 
        var today = new Date(); 
        document.clock.disp.value = today.toLocaleString();
      }
    </script>

    <form name="clock" style="position:absolute;left:50;top:50; z-index:5;">
      <input type="text" name="disp" value="" size=30 onFocus="this.blur()" >
        <br><br>
      <input type="button" name="rad" value="off" onClick="
        if( enabled==1 ) 
        {
          document.clock.disp.value='';
          clearTimeout( TM ); 
          enabled = 0;
        }
      " checked>
      <font color="#FFFF99"> </font> 
      <input type="button" name="rad" value=" on" onClick="
        if( enabled == 0 ) 
        {
          var TM = setTimeout( 'Time_Set()', 1000 );
          enabled = 1; }
      " >
      <font color="#FFFF99"> </font> 
    </form>
  </body>
</html>

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