What exactly is JSON?
JSON (JavaScript Object Notation) is a format for storing data in an orderly and accessible manner. In our associates, we help you to create the best output with the Largest IT Company In India, Biovus Blockchain Technology. When data is exchanged between a browser and a server, it must be in the form of text. Any JavaScript object may be converted to JSON and then sent to the server.
Any JSON received from the server may also be converted into JavaScript objects. It allows you to work with data as JavaScript objects without having to worry about complex parsing and translations.
Now that you know what JSON is, let’s look at why we need to utilize it and what the many benefits of utilizing JSON are.
Why do we use JSON in the first place?
When compared to other open data exchange formats, JSON is lightweight and simple to use. However, that isn’t the only advantage of using it for API integration. It is favored above other alternatives due to the following benefits:
- Less Verbose — when compared to XML, it has a more condensed style. This makes it easier to read. When working with complicated systems, JSON’s lightweight approach may make a big difference.
- Faster — The XML software parsing process is slower than the JSON software parsing process. This is due to the fact that huge XML files use more RAM from the DOM manipulation tools. JSON, on the other hand, requires less data, lowering the cost and speeding up the parsing process.
- Readable – JSON is legible because its structure is simple and straightforward. Regardless of the programming language, you’re using, mapping to domain objects is a lot easier.
- Structured Data – JSON employs a map data format, whereas XML uses a tree data structure. Your work may be limited by the key or value pairs, but you will have a predictable and easy-to-understand data model.
Fundamentals of JSON:
Values must be one of the following data types in JSON:
- String
- Number
- Object (JSON object)
- Arrays
- Boolean
- Null
String:
Keys in JSON must be strings enclosed in double-quotes:
{ “name”: “Mary” }
Strings, integers, and identifier names can all be used as keys in JavaScript:
{ name:”Mary” }
Objects:
Curly braces are used to wrap JSON items. The following is how they’re written in key or value pairs:
{ “name”:”Lisa”, “age”:23, “car”:BMW }
Arrays:
JSON arrays are nearly identical to JavaScript arrays. Array values in JSON can be of the following types: text, integer, object, array, boolean, or null. Array values in JavaScript can be any of the aforementioned, as well as any other valid JavaScript expression, such as functions, dates, or undefined.
In JSON, arrays may be used as values for object properties. It is defined as follows:
{
“name”:”Lisa”,
“age”:23,
“cars”:[ “Ford”, “BMW”, “Fiat” ]
}
Convert a JSON Object to JavaSCript Text JSON is a popular format for reading data from a web server and displaying it on a web page. A string as input can likewise be used to show this.
Let’s look at an example of how the function JSON.parse() may be used to transform a JSON object into Javascript text:
<html>
<body>
<h2>Converting JSON Text into Javascript Object</h2>
<b>JSON Object :</b>
<p id=”example”></p>
<b>Use of Javascript object :</b>
<p id=”example1″></p>
<script>
var jsonobj ='{ “name”:”Josh Huan”,”employeeID”:”1107″,”age”:25 }’;
// Here we convert JSON to object
var obj = JSON.parse(jsonobj);
document . getElementById(“example1”).innerHTML = obj.name + “, with employee id ” + obj.employeeID + “, and age ” + obj.age;
document . getElementById(“example”).innerHTML =jsonobj;
</script>
</body>
</html>
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