8.75*0.01=0.08750000000000001?解决方案

8.75*0.01=0.08750000000000001?
js code:
<SCRIPT>
  alert(8.85*0.01);
alert(8.75*0.01);

</SCRIPT>

运行一下就知道了，我这儿得到的8.75*0.01居然等于0.08750000...1
为什么？

[解决办法]
toFixed(3)