parse a string as json js code example

Example 1: if json then parse

function isJson(str) {
    try {
        let value = JSON.parse(str);
      	return value
    } catch (e) {
        return str;
    }
}

Example 2: javascript parse json

const json = '{ "fruit": "pineapple", "fingers": 10 }';
const obj = JSON.parse(json);
console.log(obj.fruit, obj.fingers);