In this tutorial, we are going to understand what are the rules for writing JSON data. As you might have heard, JSON or JavaScript Object Notation is a widely used file format for data storage and interchange. There are many reasons why JSON is a widely used file format. Some rules for writing JSON Data …
Difference between JSON and XML Now, we are going to have a look at the difference between JSON and XML. XML, or Extensible Markup Language, is also a popular language designed to store and transport data. So, we are going to have a brief look at the difference between JSON, and XML. Have a look …
JSON.parse(): The thing is that when we receive some data from the web server, it is always a string. When we parse the data with JSON.parse, the data becomes a JavaScript object. So, whenever we have received some string from the web server, and we need to make it a JavaScript object, we would simply …
JSON.Stringify (): We are now familiar with the thing, that we use JSON for data transfer from/to a web server. The thing is that when we are sending data to the web server, the data needs to be a string. So, if you want to send some JavaScript object to the server, you would need …
Benefits of using JSON For some time, we have been studying some different concepts related to JSON, and now, we are going to head up, to see some of the benefits of using JSON, and it also justify why it is so popular. First of all, we have listed some of the benefits here, and …
Arrays in JSON Now, we are going to have a look at a very simple, interesting, and important data type in JSON, which is an Array. Basically, you might be familiar with the term ‘array’, from some other programming language, but even if this term is completely new for you, do not worry, since we …
JSON Array Object We are quite familiar with the arrays here. We have seen that the array is simply some collection of data, and that data can belong to some valid type in JSON. So, here, at times, when we are required to have an array, which contains some objects, we can have it in …
JSON Nested Objects When we are writing the JSON data, we have some key-value pairs. We are now already familiar with the fact, that the keys are supposed to be in the double quotes, and the values associated with the respective keys are supposed to belong to some valid data. So, the thing is that …
JSON Objects Now, we are going to discuss in greater detail, the objects in JSON. The thing is that object here is going to be the collection of key-value pairs. So, whenever we need to have a collection of key-value pairs in our data, we can make use of objects here. Basically, to write the …
JSON Null Value Basically, null means absence of value(which means nothing). Whenever we are specifying some value as null, it simply means nothing. The null value is used to represent the intentional absence of any object value. For example: { “mobileNumber”:null, “emailAddress”:null } As you can see in the above example, the values for the …
