<html><body><script type="text/javascript">var b1=new Boolean( 0)var b2=new Boolean(1)var b3=new Boolean("")var b4=new Boolean(null)var b5=new Boolean(NaN)var b6=new Boolean("false")document.write("0 是逻辑的 "+ b1 +"<br />")document.write("1 是逻辑的 "+ b2 +"<br />")document.write("空字符串是逻辑的 "+ b3 + "<br />")document.write("null 是逻辑的 "+ b4+ "<br />")document.write("NaN 是逻辑的 "+ b5 +"<br />")document.write("字符串 'false' 是逻辑的 "+ b6 +"<br />")</script></body></html>