JSON

Question 1

What is JSON?

Answer 1

An open standard file and data interchange format that uses human-readable text to store an transmit data objects consisting of attribute-value pairs and arrays. It has multiple uses in electronic data exchange including for web applications with servers

Question 2

JSON syntax

Answer 2

JSON is derived from JavaScript object notation syntax. Data is in name/value pairs and is separated by commas. Curly braces hold objects. Square brackets hold arrays. It has 6 kinds of values: objects, arrays, strings, numbers, boolean, and null.

Question 3

== v ===

Answer 3

== converts variables to the same type before performing comparison, called type coercion

=== does not do any type of conversion and returns true only if both values and types are identical for the two variables being compared