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Symbols Javascript

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Javasper answered on November 2, 2021 Popularity 9/10 Helpfulness 2/10

answer Symbols Javascript

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Symbols Javascript

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let sym2 = Symbol('foo')
let sym3 = Symbol('foo')
 
		 console.log(Symbol(sym2==sym3)); /*false, symbols are guaranteed to be unique*/

Popularity 9/10 Helpfulness 2/10 Language javascript

Source: Grepper

Tags: javascript symbols

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Contributed on Jun 15 2022

Javasper

0 Answers Avg Quality 2/10

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symbols javascript

Comments(1)

Symbols are primatives for unique values in javascript

> Symbol(value) returns a unique symbol

> Symbol.for(value) returns a unique symbol, but two calls using the 
same key will return the same symbol, within the scope

They can be useful because they are hidden from most iteration functions.
For ex, if you want to add a value to an object that you got back from a
third-party api. This will make sure your value doesn't appear in iteration
functions, and also won't require changing how the api is set up

Popularity 10/10 Helpfulness 2/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Jan 25 2022

QuietHumility

0 Answers Avg Quality 2/10

JavaScript Symbol

Comment

// two symbols with the same description

const value1 = Symbol('hello');
const value2 = Symbol('hello');

console.log(value1 === value2); // false

Popularity 8/10 Helpfulness 2/10 Language javascript

Source: www.programiz.com

Tags: javascript j

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Contributed on Mar 19 2023

Imran Khan

0 Answers Avg Quality 2/10

javascript symbols

Comment

let sym1 = Symbol()
let sym2 = Symbol('foo')
let sym3 = Symbol('foo')

Popularity 10/10 Helpfulness 2/10 Language javascript

Source: developer.mozilla.org

Tags: javascript j

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Contributed on Nov 02 2021

Puzzled Peafowl

0 Answers Avg Quality 2/10

JavaScript Symbol

Comment

// two symbols with the same description

const value1 = Symbol('hello');
const value2 = Symbol('hello');

console.log(value1 === value2); // false

Popularity 9/10 Helpfulness 2/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on May 21 2022

SAMER SAEID

0 Answers Avg Quality 2/10

JavaScript Symbol

Comment

// two symbols with the same description

const value1 = Symbol('hello');
const value2 = Symbol('hello');

Popularity 9/10 Helpfulness 1/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on May 20 2022

SAMER SAEID

0 Answers Avg Quality 2/10

Symbols Javascript

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