javascript check if json object is valid

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Abby
26 Jun 2020
1//extensive check to make sure object is not of string type and not null
2function isJson(item) {
3    item = typeof item !== "string"
4        ? JSON.stringify(item)
5        : item;
6
7    try {
8        item = JSON.parse(item);
9    } catch (e) {
10        return false;
11    }
12
13    if (typeof item === "object" && item !== null) {
14        return true;
15    }
16
17    return false;
18}
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