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var vs let js

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Tomas Maillo answered on May 22, 2020 Popularity 10/10 Helpfulness 4/10

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let: //only available inside the scope it's declared, like in "for" loop, 
var: //accessed outside the loop "for"

Popularity 10/10 Helpfulness 4/10 Language javascript

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Tags: javascript let var

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Contributed on May 22 2020

Tomas Maillo

0 Answers Avg Quality 2/10

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js var vs let

Comment

let = 10 // accessable only in defined scope
var = 10 // accessable in the function it is declared in (global variable in a function)

Popularity 10/10 Helpfulness 3/10 Language javascript

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Tags: javascript j

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Contributed on Apr 15 2022

katanton reckless

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what to use let vs var js

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/* DIFFERENCE BETWEEN LET AND VAR */

//LET EXAMPLE
{
  let a = 123;
};

console.log(a); // undefined

//VAR EXAMPLE
{
  var a = 123;
};

console.log(a); // 123

Popularity 10/10 Helpfulness 2/10 Language javascript

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Tags: javascript j

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Contributed on Jun 15 2021

Excited Eel

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var vs let javascript

Comment

var makes a grobal variable
let makes a local variable

Popularity 10/10 Helpfulness 1/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Oct 02 2022

oximas

0 Answers Avg Quality 2/10

var vs let js

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