Answers for "check local storage javascript item"

get localstorage

function get(){
    var getJson = localStorage.getItem('key')
    if(getJson){
        arrayName = JSON.parse(getJson)
    }
}

how to check if local storage is available

if (typeof(Storage) !== "undefined") 
{ 
	console.log("localStorage is available."); 
} 
else 
{ 
	console.log("localStorage is not supported by current browser."); 
}