Published
Edited
Jul 3, 2018
{
let a = 10
let b = a
b = 11
return a
}
{
let a = 'Ala'
let b = a
b = 'Ola'
return a
}
{
const obj1 = {
name: 'Mateusz',
lastname: 'Choma'
}
const obj2 = obj1 // we are passing only the reference to object created above and assigned to obj1
obj2.name = 'Chomeusz'
return obj1
}
{
const arr1 = ['Ala', 'Ola', 'Ela']
const arr2 = arr1
arr2[1] = 'Ilona'
return arr1
}
{
const arr1 = ['Ala', 'Ola', { name: 'Ela' }]
const arr2 = arr1
const obj1 = arr2[2]
obj1.lastname = 'Kowalska'
return arr1
}
{
const arr1 = ['Ala', 'Ola', { name: 'Ela' }]
const arr2 = arr1
return arr1 === arr2
}
{
const arr1 = ['Ala', 'Ola', { name: 'Ela' }]
const arr2 = JSON.parse(JSON.stringify(arr1))
return arr1 === arr2
}
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