據(jù)說是經(jīng)典面試題目,想了半天,沒找到特別優(yōu)化的做法,笨笨的實現(xiàn)一個
<HTML>
<BODY>
<SCRIPT LANGUAGE="JavaScript">
var a=prompt("請輸入一個數(shù)",123),b=prompt("請輸入一個數(shù)",123);
alert(a+(["等于","大于","小于"][((a-b)>>>31)*2+((b-a)>>>31)])+b)
</SCRIPT>
</BODY>
</HTML>
<BODY>
<SCRIPT LANGUAGE="JavaScript">
var a=prompt("請輸入一個數(shù)",123),b=prompt("請輸入一個數(shù)",123);
alert(a+(["等于","大于","小于"][((a-b)>>>31)*2+((b-a)>>>31)])+b)
</SCRIPT>
</BODY>
</HTML>