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js The equivalent of destructuring arrays and objects

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barisx answered on March 7, 2022 Popularity 8/10 Helpfulness 1/10

answer js The equivalent of destructuring arrays and objects

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js The equivalent of destructuring arrays and objects

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// 1) assuming arr is [10, 20, 30, 40]
const first = arr[0];
const second = arr[1];
// third element skipped
const fourth = arr[3];

// 2)
const PI = Math.PI;
const E = Math.E;
const SQRT2 = Math.SQRT2;

Popularity 8/10 Helpfulness 1/10 Language javascript

Source: jscomplete.com

Tags: arrays destructuring equivalent javascript

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Contributed on Mar 08 2022

barisx

0 Answers Avg Quality 2/10

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Object destructuring on arrays

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const colorCodes = [
	"#FFFFFF",
    "#000000",
    "#FF0000",
    "#808080",
    "#FFFF00"
];

const { 0: firstColor, 4: lastColor } = colorCodes;
console.log(firstColor); // #FFFFFF
console.log(lastColor); // #FFFF00

Popularity 10/10 Helpfulness 3/10 Language javascript

Source: Grepper

Tags: arrays ar

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Contributed on Jan 18 2023

Ofir Salem

0 Answers Avg Quality 2/10

How to destructure arrays and objects in javascript?

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// Array to destructure
const arr = ["Wissam", "Fawzi", "Darwich", "Fawaz"];
// First element, second element, and then remaining ones
const [firstName, middleName, ...restOfName] = arr;
console.log(firstName); // Wissam
console.log(middleName); // Fawzi
console.log(restOfName.join(" ")); // Darwich Fawaz

// Object to destructure
const socialMedia = {
  twitter: "@wissam_f",
  facebook: "https://www.facebook.com/wissam.fawaz",
  linkedin: "https://www.linkedin.com/in/wissam-fawaz-6b440839/",
};
// To extract values, property keys should be used
const {twitter, linkedin} = socialMedia;
// Twitter: @wissam_f
console.log("Twitter:", twitter);
// LinkedIn: https://www.linkedin.com/in/wissam-fawaz-6b440839/
console.log("LinkedIn:", linkedin);

Popularity 10/10 Helpfulness 2/10 Language javascript

Source: Grepper

Tags: arrays ar

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Contributed on Apr 17 2022

Wissam

0 Answers Avg Quality 2/10

js Destructuring arrays and objects

Comment

// 1) Destructure array items
const [first, second,, fourth] = [10, 20, 30, 40];

// 2) Destructure object properties
const { PI, E, SQRT2 } = Math;

Popularity 9/10 Helpfulness 2/10 Language javascript

Source: jscomplete.com

Tags: arrays ar

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Contributed on Mar 07 2022

barisx

0 Answers Avg Quality 2/10

js The equivalent of destructuring arrays and objects

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