本篇内容主要讲解“JavaScript中Boolean对象的实例用法”,感兴趣的朋友不妨来看看。本文介绍的方法操作简单快捷,实用性强。下面就让小编来带大家学习“JavaScript中Boolean对象的实例用法”吧!
<html>
<head>
<TITLE>Boolean对象</TITLE>
<SCRIPT Language = "JavaScript">
{
b1 = new Boolean(true);
b2 = new Boolean(false);
b3 = new Boolean(0);
b4 = new Boolean(1);
b5 = new Boolean(null);
b6 = new Boolean(NaN);
b7 = new Boolean(undefined);
b8 = new Boolean("");
b9 = new Boolean(" ");
b10 = new Boolean("abc");
b11 = new Boolean(50.46);
document.write("b5 = new Boolean(null) =>" + b5 + "<br>");
document.write("b6 = new Boolean(NaN)=>" + b6 + "<br>");
document.write("b7 = new Boolean(undefined)=>" + b7 + "<br>");
document.write("b8 = new Boolean('')=>" ,b8.valueOf(),"<br>");
document.write("b9 = new Boolean(' ')=>" + b9 + "<br>");
document.write("b10 = new Boolean('abc')=>" + b10 + "<br>");
document.write("b11 = new Boolean(null)=>" + b11 + "<br>");
}
</SCRIPT>
</head>
</html>
到此,相信大家对“JavaScript中Boolean对象的实例用法”有了更深的了解,不妨来实际操作一番吧!这里是亿速云网站,更多相关内容可以进入相关频道进行查询,关注我们,继续学习!
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