Create JSON Object JavaScript
Last Updated : Mar 11, 2024
IN - JavaScript | Written & Updated By - Amruta
In this article we will show you the solution of create JSON object JavaScript, a format for storing and sending data is JSON.
JSON is extensively utilised when records is sent from a server to an internet web page.
Now move to the creating JSON Object JavaScript.
Step By Step Guide On Create JSON Object JavaScript :-
JavaScript Object Notation is referred to as JSON. A lightweight data interchange format is JSON.
JSON is a "self-describing" and simple language that is independent of any particular language.
JavaScript objects can be evaluated from the JSON format.
The code for making JavaScript objects and the JSON format are syntactically identical.
This closeness makes it simple for a JavaScript programme to transform JSON data into native JavaScript objects.
Syntax Rules for JSON
- Name/value pairs make up the data.
- Commas are used to separate data.
- Curved braces hold things
- arrays are held in square brackets.
A Name and a Value in JSON Data
The format of JSON data is the same as that of JavaScript object properties: name/value pairs.
A name-value pair consists of a field name (enclosed in double quotes) followed by a colon and a value.
Double quotations are needed for JSON names. Names in JavaScript don't.
JSON Objects JavaScript Object Notation( JSON) is a textbook- grounded, mortal- readable underpass format used to express straightforward data structures and objects in web cybersurfer- grounded programmes.
It is advised to utilise JSON when working with data that needs to be accessible by other languages because JavaScript objects are limited to the JavaScript language.
Guidelines for declaring objects:
- Inside the curly brackets () is where the object is always defined.
- Key pairs are used to write objects.
- Values must be lawful and keys must be strings. Data types in JSON
- JSON supports the following data types: number, string, object, boolean, array, and null.
- There is a colon (":") separating the keys and values.
- A comma separates each key and value pair.
Accessing Object Values:
- Utilizing the Dot (".") Notation to Access Object Values: The object values can be obtained using this notation.
- Using the bracket([]) notation, we can also access objects.
Nesting of objects in JSON:
JSON supports object nesting, where each item has a separate access path from the others.
The same field name may appear in objects that are nested in another object in the same document.
The access name has to be special. In other words, the nested objects will define themselves or be assigned to other objects.
Change values of thing: We have two options for changing the values.
- The dot("") notation can be used to change an object's values.
- The object's values can be changed by using bracket ("[]") notation.
Delete Object Properties:
The "delete" keyword can be used to remove the properties of a JSON object.
Object looping: There are two ways to implement looping:
- A property for-in loop can be used to loop across an object.
- Even brackets ("[]") can be used in the for-in loop property to loop an object.
<html>
<body>
<h2>Welcome to Talkerscode</h2>
<p id="objectaccessing"></p>
<script>
var myName, i;
myName = {
"first_name": "Mudit",
"last_name": "Jain "
};
i = myName.first_name;
document.getElementById(
"objectaccessing").innerHTML = i;
</script>
</body>
</html>
- We begin our code by writing the phrase Welcome to Talkerscode in the HTML and Body tags.
- After that, the p tag is given the objectaccessing id.
- Next, we launch our script.
- We declare the variable myName in the script.
- Next, we build the object with the same name.
- We offer some details in that object.
- The specific detail from that item is then accessed.
- Finally, we print the information about the item that we accessed.
- Script, body, and HTML tags are then used to close the code.
Conclusion :-
Consequently, we have successfully acquired knowledge of the idea of constructing JSON objects in Javascript.
Since JSON is a direct descendant of the JavaScript programming language, which we already learnt about, it makes perfect sense to use it as a data format in JavaScript.
I hope this article on create JSON object JavaScript helps you and the steps and method mentioned above are easy to follow and implement.
About Amruta
