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js Boolean()

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Encouraging NeoBliz answered on June 9, 2020 Popularity 10/10 Helpfulness 4/10

answer js Boolean()

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js Boolean()

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// falsy values: false, 0, -0, 0n, null, undefined, NaN, and the empty string ""
console.log(Boolean(false)) // false
console.log(Boolean(0)) // false
console.log(Boolean(-0)) // false
console.log(Boolean(0n)) // false
console.log(Boolean(null)) // false
console.log(Boolean(undefined)) // false
console.log(Boolean(NaN)) // false
console.log(Boolean("")) // false
console.log(typeof Boolean("")) // boolean

// truthy values: true, 1, -1, 1n, -1n, Infinity, -Infinity, " ", {}, []
console.log(Boolean(true)) // true
console.log(Boolean(1)) // true
console.log(Boolean(-1)) // true
console.log(Boolean(1n)) // true
console.log(Boolean(-1n)) // true
console.log(Boolean(Infinity)) // true
console.log(Boolean(-Infinity)) // true
console.log(Boolean(" ")) // true
console.log(Boolean({})) // true
console.log(Boolean([])) // true
console.log(typeof Boolean([])) // boolean

Popularity 10/10 Helpfulness 4/10 Language javascript

Source: javascript.plainenglish.io

Tags: javascript

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Contributed on Aug 23 2021

Encouraging NeoBliz

0 Answers Avg Quality 2/10

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js is boolean

Comment

if (typeof variable === "boolean"){
  // variable is a boolean
}

Popularity 10/10 Helpfulness 5/10 Language javascript

Source: Grepper

Tags: boolean

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Contributed on Jun 09 2020

Evergreen Tomato

0 Answers Avg Quality 2/10

javascript bool

Comment

let isGrepperGood = true;

Popularity 10/10 Helpfulness 2/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Jun 23 2022

Roy

0 Answers Avg Quality 2/10

JavaScript Booleans

Comment

let myTrueBool = true;
let myFalseBool = false;

Popularity 10/10 Helpfulness 2/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on May 17 2022

MAKSTYLE119

0 Answers Avg Quality 2/10

boolean javascript

Comment

var a = 2;
var b =  3;
var c =  2;
(a == b) // returns false
(a == c) //returns true

Popularity 10/10 Helpfulness 2/10 Language javascript

Source: www.interviewbit.com

Tags: boolean

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Contributed on Jul 25 2021

Mysterious Moth

0 Answers Avg Quality 2/10

js value to boolean

Comment

const message = '';
console.log(!! message) // false

Popularity 10/10 Helpfulness 2/10 Language javascript

Source: Grepper

Tags: boolean

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Contributed on May 19 2022

Quaint Quelea

0 Answers Avg Quality 2/10

JavaScript Boolean

Comment

const dataChecked = true;
const valueCounted = false;

Popularity 10/10 Helpfulness 1/10 Language javascript

Source: Grepper

Tags: boolean

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Contributed on May 20 2022

SAMER SAEID

0 Answers Avg Quality 2/10

Boolean in js

Comment

let isTrue = true;
let isFalse = false;

Popularity 9/10 Helpfulness 1/10 Language javascript

Source: chat.openai.com

Tags: boolean

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Contributed on Jul 22 2023

Lively Lizard

0 Answers Avg Quality 2/10

Boolean function in JavaScript

Comment

const values = [0, 0, 2, 0, 3];
// Use as the callback for Array.prototype.some()
const hasValidValue = values.some(Boolean);
// Use as the callback for Array.prototype.filter()
const nonEmptyValues = values.filter(Boolean);

Popularity 6/10 Helpfulness 1/10 Language javascript

Source: www.30secondsofcode.org

Tags: boolean function javascript javas

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Contributed on Jan 09 2024

Himanshu Jangid

0 Answers Avg Quality 2/10

js Boolean()

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