11.2.9 floor方法.html

来自「javascript即用即差核心对象手册」· HTML 代码 · 共 11 行

<script>
   with(document)
   {
      with(Math)
      {
        write("floor(-2.5)="+floor(-2.5));
        write("<br>floor(2)="+floor(2));
        write("<br>floor(2.5)="+floor(2.5));
      }
   }
</script>