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Created August 9, 2018 03:36
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function getOrSetCache (key, functionObject) {
var item = sessionStorage.getItem(key);
if (item) {
var objItem = JSON.parse(item);
return objItem;
var result = functionObject();
var stringifyResult = JSON.stringify(result);
sessionStorage.setItem(key, stringifyResult);
return result;
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