Boolean()
Tavsif
Boolean() metodi boolean qiymat qaytaradi.
Shuningdek qarang:
Sintaksis
Boolean(value)
Parametrlar
| Parametr | Tavsif |
| value | Ixtiyoriy Standart qiymat false |
Qaytariladigan qiymat
| Tip | Tavsif |
| Boolean | true yoki false |
Ko‘proq misollar
Boolean qiymatlar yaratish
let b1 = Boolean(0);
let b2 = Boolean(1);
let b3 = Boolean(false);
let b4 = Boolean(true);
O‘zingiz sinab ko‘ring »
Qiymatga ega hamma narsa — True
100 is true
3.14 is true
-15 is true
"Hello" is true
"false" is true
(7 + 1 + 3.14) is true
O‘zingiz sinab ko‘ring »
Qiymatga ega bo‘lmagan hamma narsa — False
0 is false
-0 is false
"" is false
undefined is false
null is false
false is false
NaN is false
O‘zingiz sinab ko‘ring »
Brauzerlarda qo‘llab-quvvatlash
Boolean() — ECMAScript1 (JavaScript 1997) imkoniyati.
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