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javascript variable declaration

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Impossible Iguana answered on March 9, 2020 Popularity 9/10 Helpfulness 1/10

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javascript variable declaration

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var name = "mamama";
document.write(name);
// Outputs "mamama"

Popularity 9/10 Helpfulness 1/10 Language javascript

Source: Grepper

Tags: javascript variable-declaration

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Contributed on Jan 15 2021

Impossible Iguana

0 Answers Avg Quality 2/10

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javascript declare a variable

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//choose the best for your solution
var myVariable = 22; //this can be a string or number. var is globally defined

let myVariable = 22; //this can be a string or number. let is block scoped

const myVariable = 22; //this can be a string or number. const is block scoped and can't be reassigned

Popularity 10/10 Helpfulness 4/10 Language javascript

Source: tylermcginnis.com

Tags: declare

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Contributed on Mar 09 2020

Carnivorous Flamingo

0 Answers Avg Quality 2/10

how to declare a variable js

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//let and var are both editable variables and can be changed later on in your program;
let dog = 'Woof';
//dog is equal to the string 'Woof';
dog = false;
//You can changed the value of dog now because it was defined with let and not const;

let cow = 'Moo';
//cow is equal to the string 'Moo';
cow = true;
//You can change the value of cow later on because it is not defined with const;

//const is used when declaring a variable that can't be changed later on -- const stands for constant;
const pig = 'oink';
//This assigns the string 'oink' to pig which can not be changed because it is defined with const;
pig = 'snort';
//Above throws an error
//Good Job you now know how to declare variables using JavaScript!!!

Popularity 10/10 Helpfulness 2/10 Language javascript

Source: Grepper

Tags: declare

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Contributed on Jul 07 2020

Magnificent Mockingbird

0 Answers Avg Quality 2/10

how to declare variables javascript

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//variables are a way to easily store data in javascript
//variables are declared by the var keyword, example...
var x = 10;
//or
var dog_name = "daisy";
//which can also be written as 
var dog_name = 'daisy';
//same thing with single quotes and double quotes

Popularity 10/10 Helpfulness 1/10 Language javascript

Source: Grepper

Tags: declare

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Contributed on Jul 22 2020

Distinct Dugong

0 Answers Avg Quality 2/10

how to declare a variable js

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const name = 'Anthony';

Popularity 9/10 Helpfulness 1/10 Language javascript

Source: Grepper

Tags: declare

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Contributed on Sep 30 2021

0xTony143

0 Answers Avg Quality 2/10

javascript declaring variables

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var myVariable = 22;

Popularity 9/10 Helpfulness 1/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Apr 28 2022

Ivanildo Correia

0 Answers Avg Quality 2/10

JavaScript Declare Variables

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var x;
let y;

Popularity 9/10 Helpfulness 1/10 Language javascript

Source: Grepper

Tags: declare

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Contributed on May 20 2022

SAMER SAEID

0 Answers Avg Quality 2/10

declaring variable in javascript

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In ES6, JavaScript variables are declared by:

let myVariable;

the 'let' keyword replaces the 'var' key word as a suitable option

Popularity 8/10 Helpfulness 1/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Feb 06 2023

Mysterious Marten

0 Answers Avg Quality 2/10

javascript variable declaration

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