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javascript const

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Dangerous Dove answered on February 1, 2020 Popularity 10/10 Helpfulness 2/10

answer javascript const

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javascript const

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const b = 1; // this variable unique and can't change it.

Popularity 10/10 Helpfulness 2/10 Language javascript

Source: Grepper

Tags: javascript

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Contributed on Feb 01 2020

Dangerous Dove

0 Answers Avg Quality 2/10

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const { something} javascript

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const obj = {
  name: "Fred",
  age: 42,
  id: 1
}

//simple destructuring
const { name } = obj;
console.log("name", name);

//assigning multiple variables at one time
const { age, id } = obj;
console.log("age", age);
console.log("id", id);

//using different names for the properties
const { name: personName } = obj;
console.log("personName", personName);
 Run code snippet

Popularity 10/10 Helpfulness 3/10 Language javascript

Source: stackoverflow.com

Tags: destructuring de

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Contributed on Mar 17 2022

Khoa Vo

0 Answers Avg Quality 2/10

var or const in javascript

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// var declares a variable, meaning its value will vary. 
// const declares a constant, meaning its value will remain 
// consistant and not change. 
// If your variable changes throughout the program or website, 
// declare it using a var statement. 
// Otherwise, if its value does not change, declare it using 
// a const statement. 

const myConst='A const does not change.';

var myVar='A var does change.';

var myVar=2;

Popularity 10/10 Helpfulness 3/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Jul 09 2020

Eager Elephant

0 Answers Avg Quality 2/10

JavaScript Constants

Comment

const x = 5;
x = 10;  // Error! constant cannot be changed.
console.log(x)

Popularity 10/10 Helpfulness 3/10 Language javascript

Source: Grepper

Tags: constants cons

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Contributed on May 20 2022

SAMER SAEID

0 Answers Avg Quality 2/10

JavaScript Const

Comment

const PI = 3.141592653589793;
PI = 3.14;      // This will give an error
PI = PI + 10;   // This will also give an error

Popularity 10/10 Helpfulness 2/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on May 22 2022

naly moslih

0 Answers Avg Quality 2/10

what is const in javascript

Comment

const age; // errror as const cannot be kept un-initialized;
const age = 20 ; 
const age = 21 , // error as once declared const variable cann't be
// re-declared in same scope or different scope.

Popularity 10/10 Helpfulness 2/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Apr 25 2020

Mysterious Monkey

0 Answers Avg Quality 2/10

const javascript

Comment

// var makes The Value changeable 
// const makes The Value Unchangeable
// let makes The Value changeable in block scoped

// DON'T DO THIS
const dellor = 6;
dellor = 4; // ERROR
console.log(dellor);

// NOR THIS
let dellor = 6;
let dellor = 4; // ERROR 
console.log(dellor);

// DO THIS INSTEAD
var dellor = 6;
dellor = 4; // The Value will change 
console.log(dellor);

Popularity 9/10 Helpfulness 2/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Dec 05 2022

Rene Cardenas

0 Answers Avg Quality 2/10

const in javascript

Comment

const value = 10;
const constant = value;

Popularity 10/10 Helpfulness 1/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Dec 12 2020

Upset Unicorn

0 Answers Avg Quality 2/10

javascript const

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var or const in javascript

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