Matteo Cargnelutti matteocargnelutti

## keybase.md

      
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                matteocargnelutti
                / keybase.md
            
            
              Created
              May 23, 2022 17:53
            
              
                keybase.md
              
          
    Keybase proof

I hereby claim:

I am matteocargnelutti on github.
I am matteoatlil (https://keybase.io/matteoatlil) on keybase.
I have a public key ASCAXjTRPQa5Occ_xQxX8TVbWIEunSp76eo5H2OMktIU6Qo

To claim this, I am signing this object:

  
## js-const-article4.js
let foo = {x: 12};
const bar = foo;
console.log(bar); // { x: 12 }
foo.x = 13;
console.log(bar); // { x: 13 } !! bar's content has been affected by the changes made in foo !

## js-const-article3.js
let foo = 12;
const bar = foo;
console.log(bar); // 12
foo = 13;
console.log(bar); // 12, our const "bar" hasn't changed !

## js-const-article2.js
const foo = {};
foo.bar = 42;
console.log(foo); // { bar: 42 }

## js-const-article1.js
const foo = 12;
foo = 13; // TypeError: Assignment to constant variable.
	let foo = {x: 12};
	const bar = foo;
	console.log(bar); // { x: 12 }
	foo.x = 13;
	console.log(bar); // { x: 13 } !! bar's content has been affected by the changes made in foo !
	let foo = 12;
	const bar = foo;
	console.log(bar); // 12
	foo = 13;
	console.log(bar); // 12, our const "bar" hasn't changed !
	const foo = {};
	foo.bar = 42;
	console.log(foo); // { bar: 42 }
	const foo = 12;
	foo = 13; // TypeError: Assignment to constant variable.