Store an Array in sessionstorageItem

Question

I have the following javascript objects. I would like to store the following array on sessionstorageItem, but it was giving me error. How can I able to store an array in sessionstorageItem?

data=[];
data[0] = [{
    "num": 29,
    "ser": 1,
}, {
    "num": 44,
    "ser": 2,
}] 
data[1]=[{
    "num": 10,
    "ser": 3,
}]

 allData = data.reduce(function (a, b) { return a.concat(b) });
  // the following line gives me an error
 var MDData=JSON.parse(sessionStorage.MDData);
 if (MDData!==null) {console.log("Hello")}
 sessionStorage.setItem('MyData', JSON.stringify(allData));

Zee · Accepted Answer · 2015-06-12T16:06:54.867

1

webStorage can only store strings. So you need to stringify your data.

sessionStorage.setItem('Myata', JSON.stringify(allData));

To retrieve it back you can do:

JSON.parse(sessionStorage.Myata);

edited Jun 12 '15 at 16:06

answered Jun 12 '15 at 16:04

Zee

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How could I retrieve back after I store it? – mystackoverflow Jun 12 '15 at 16:05
1

@mystackoverflow. I updated – Zee Jun 12 '15 at 16:07
Once SOF allows me, then I will mark as answer – mystackoverflow Jun 12 '15 at 16:09
@mystackoverflow No problem :) – Zee Jun 12 '15 at 16:13
I have marked as an answer. However, if you check my question, which I have updated, it gives me an error. Do u have any idea? – mystackoverflow Jun 12 '15 at 16:29
@mystackoverflow From where are you getting MData? Whats its contents? And what error do you get? – Zee Jun 12 '15 at 16:32
Also a note here, sessionStorage or localStorage can only store 5mb at a time, use cookies if you're storing more than that – PauAI Jan 20 '16 at 00:51

score 0 · Answer 2 · answered Jun 12 '15 at 16:04

0

you have and extra ')' in "sessionStorage.setItem('Myata', sell.allData));"

answered Jun 12 '15 at 16:04

PauAI

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Store an Array in sessionstorageItem

2 Answers2