JSON Interview Questions and Answers
Here you can find JSON Interview Questions and Answers.
Why JSON Interview Questions and Answers Required?
In this JSON Interview Questions and Answers section you can learn and practice JSON Interview Questions and Answers to improve your skills in order to face technical
inerview by IT companies. By Practicing these interview questions, you can easily crack any JSON interview.
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How to solve these JSON Interview Questions and Answers?
You no need to worry, we have given lots of JSON Interview Questions and Answers and also we have provided lots of FAQ's to quickly answer the questions in the JSON
technical interview.
JSON Interview Questions and Answers
Who is the Father of JSON ?
Douglas Crockford is the Creator or Father of JSON.
JSON Interview Questions and Answers
What is MIME type for JSON?
The MIME type for JSON text is "application/json"
JSON Interview Questions and Answers
What is JSON?
JSON full form is JavaScript Object Notation.
JSON is a lightweight text-based open standard designed for human-readable data interchange.
It is derived from the JavaScript programming language for representing simple data structures and associative arrays, called objects.
And JSON is language-independent, with parsers available for virtually every programming language.
Uses conventions that are familiar to programmers of the C-family of languages, including C, C++, C#, Java, JavaScript, Perl, Python,php
The JSON format is often used for serializing and transmitting structured data over a network connection.
When third party data interchane(REST Services) then JSON may used there LIKE SHOP.
It is primarily used to transmit data between a server and web application, serving as an alternative to XML.
JSON Interview Questions and Answers
What is the file extension of JSON?
The JSON filename extension is .json.
JSON Interview Questions and Answers
Explain Syntax of JSON?
JSON is smaller than XML, and faster and easier to parse. Below is a basic syntax of JSON
JSON CODE
{
"studeents": [
{ "firstName":"Ali" , "lastName":"Khan" },
{ "firstName":"John" , "lastName":"Sena" },
{ "firstName":"Kate" , "lastName":"Winslet" }
]
}
JSON Interview Questions and Answers
How to convert JSON Text to a JavaScript Object?
One of the most common use of JSON is to fetch JSON data from a web server (as a file or as an HttpRequest), convert the JSON data to a JavaScript object, and then it
uses the data in a web page.
JSON Interview Questions and Answers
What is JSON Parser?
The eval() function can compile and execute any JavaScript. This represents a potential security problem.
It is safer to use a JSON parser to convert a JSON text to a JavaScript object. A JSON parser will recognize only JSON text and will not compile scripts.
JSON Interview Questions and Answers
Which browsers provide native JSON support?
Native JSON support is included in newer browsers and in the newest ECMAScript (JavaScript) standard.
Web Browsers Support:
Firefox (Mozilla) 3.5
Internet Explorer 8
Chrome
Opera 10
Safari 4
JSON Interview Questions and Answers
Explain JSON Syntax Rules?
JSON syntax is a subset of the JavaScript object notation syntax.
Data is in name/value pairs
Data is separated by comma
Curly brackets holds objects
Square brackets holds arrays
JSON Interview Questions and Answers
Explain JSON Values?
JSON values can be:
A number (integer or floating point)
A string (in double quotes)
A Boolean (true or false)
An array (in square brackets)
An object (in curly brackets)
null
