11.2.4 atan方法.html

javascript即用即差核心对象手册

<script>
   with(document)
   {
      with(Math)
      {
        write("atan(0)="+atan(0));
        write("<br>atan(1)="+atan(1));
        write("<br>atan(2)="+atan(2));
      }
   }
</script>