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if json valide js

By Joyous JaguarJoyous Jaguar on Apr 10, 2020 
function IsJsonString(str) {
    try {
        JSON.parse(str);
    } catch (e) {
        return false;
    }
    return true;
}

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javascript check if json object is valid

By Annoyed AlbatrossAnnoyed Albatross on Mar 20, 2021 
//extensive check to make sure object is not of string type and not null
function isJson(item) {
    item = typeof item !== "string"
        ? JSON.stringify(item)
        : item;

    try {
        item = JSON.parse(item);
    } catch (e) {
        return false;
    }

    if (typeof item === "object" && item !== null) {
        return true;
    }

    return false;
}

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0

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