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Javascript Json

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js json to object

var jsonPerson = '{"first_name":"billy", "age":23}';
var personObject = JSON.parse(jsonPerson); //parse json string into JS object

create a json object in javascript

var employee = {
  "firstName": firstName,
  "lastName": lastName
}
Source: stackoverflow.com

javascript json string

var person={"first_name":"Tony","last_name":"Hawk","age":31};
var personJSONString=JSON.stringify(person); 

change js to json

var obj = {name: "Martin", age: 30, country: "United States"};
 
// Converting JS object to JSON string
var json = JSON.stringify(obj);
 
console.log(json);
// Prints: {"name":"Martin","age":30,"country":"United States"} 
"https://www.tutorialrepublic.com/faq/how-to-convert-js-object-to-json-string.php"

json in js

json()
Source: developer.mozilla.org

JavaScript and JSON

// JSON syntax
{
    "name": "John",
    "age": 22,
    "gender": "male",

}

JASON in javascript

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Json Tutorial</title>
</head>
<body>
    <div class="container">This is my container</div>
    <script>
        let jsonObj = {
            name: "Harry",
            channel: "CWH",
            friend: "Rohan Das",
            food: "Bhindi" //#bhindiLoverSquad
        } 
        console.log(jsonObj);
        let myJsonStr = JSON.stringify(jsonObj);
        console.log(myJsonStr);

        myJsonStr = myJsonStr.replace('Harry', 'Larry');
        console.log(myJsonStr)

        newJsonObj = JSON.parse(myJsonStr);
        console.log(newJsonObj)

        


    </script>
</body>
</html>

create a javascript json object

const student = {
  name: "bob",
  age: 7,
  grade: 6
}

JavaScript JSON

{
"employees":[
  {"firstName":"John", "lastName":"Doe"},
  {"firstName":"Anna", "lastName":"Smith"},
  {"firstName":"Peter", "lastName":"Jones"}
]
}

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