How can I acces my bool and number

at the moment i save this data at my local storage

var getData = 
{
	id:0,
	cost:0,
	index: 0,
isunlocked:false,
}

then when i get the data it looks like this {“id”:0,“cost”:0,“index”:0,“isunlocked”:false}

but this is in a string formate do i need to cut the string in peaces and then acces or can i just do

tempdata = getdata

myid = tempdata.id;

change
but this is in a string formate do i need to cut the string in peaces and then acces or can i just do this

to

but this is in a string format, do i need to cut the string in pieces and then access or can i just do this:

you had some misspelled things and missing punctuation, are you not good with english?

it was an quick type out

but here is solution

JSON.parse this can be used change the type of an jsonstring to an object