constobj2=obj1// we are passing only the reference to object created above and assigned to obj1
obj2.name='Chomeusz'
returnobj1
}
{
constarr1=['Ala','Ola','Ela']
constarr2=arr1
arr2[1]='Ilona'
returnarr1
}
{
constarr1=['Ala','Ola',{name:'Ela'}]
constarr2=arr1
constobj1=arr2[2]
obj1.lastname='Kowalska'
returnarr1
}
{
constarr1=['Ala','Ola',{name:'Ela'}]
constarr2=arr1
returnarr1===arr2
}
{
constarr1=['Ala','Ola',{name:'Ela'}]
constarr2=JSON.parse(JSON.stringify(arr1))
returnarr1===arr2
}
Purpose-built for displays of data
Observable is your go-to platform for exploring data and creating expressive data visualizations. Use reactive JavaScript notebooks for prototyping and a collaborative canvas for visual data exploration and dashboard creation.