Lokalny kontrola rozmiaru pamięci
function getUsedLocalStorageSpace(){
var allStrings = '';
for(var key in window.localStorage){
if(window.localStorage.hasOwnProperty(key)){
allStrings += window.localStorage[key];
}
}
return allStrings ? 3 + ((allStrings.length*16)/(8*1024)) + ' KB' : 'Empty (0 KB)';
};
getUsedLocalStorageSpace();//
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