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本篇內(nèi)容主要講解“JavaScript中Boolean對(duì)象的實(shí)例用法”,感興趣的朋友不妨來(lái)看看。本文介紹的方法操作簡(jiǎn)單快捷,實(shí)用性強(qiáng)。下面就讓小編來(lái)帶大家學(xué)習(xí)“JavaScript中Boolean對(duì)象的實(shí)例用法”吧!
<html>
<head>
<TITLE>Boolean對(duì)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,相信大家對(duì)“JavaScript中Boolean對(duì)象的實(shí)例用法”有了更深的了解,不妨來(lái)實(shí)際操作一番吧!這里是億速云網(wǎng)站,更多相關(guān)內(nèi)容可以進(jìn)入相關(guān)頻道進(jìn)行查詢,關(guān)注我們,繼續(xù)學(xué)習(xí)!
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