Home - News ( United States | United Kingdom | Italy | Germany ) - Football scores

Showing content from https://developer.mozilla.org/ja/docs/Web/JavaScript/Reference/Global_Objects/Boolean/Boolean below:

Boolean() コンストラクター - JavaScript | MDN

Baseline Widely available

Boolean() コンストラクターは Boolean オブジェクトを生成するために使用します。

const flag = new Boolean();

console.log(flag);
// Expected output: false

new Boolean();
new Boolean(value);

value 省略可

この Boolean オブジェクトの初期値です。

var bNoParam = new Boolean();
var bZero = new Boolean(0);
var bNull = new Boolean(null);
var bEmptyString = new Boolean("");
var bfalse = new Boolean(false);

var btrue = new Boolean(true);
var btrueString = new Boolean("true");
var bfalseString = new Boolean("false");
var bSuLin = new Boolean("Su Lin");
var bArrayProto = new Boolean([]);
var bObjProto = new Boolean({});

RetroSearch is an open source project built by @garambo | Open a GitHub Issue

Search and Browse the WWW like it's 1997 | Search results from DuckDuckGo

HTML: 3.2 | Encoding: UTF-8 | Version: 0.7.4