JSON

 JSON: Java Script Object Notation,  is a lightweight data-interchange format. It is easy for humans to read and write. It is easy for machines to parse and generate.

OR

An open standard file format, and data interchange format, that uses human-readable text to store and transmit data objects consisting of attribute–value pairs and array data types.

//here, jsonobject is holding "key:value" pair

var jsonobject = {

        "name":"Suruci Shukla",

        "post":"Software Developer",

        "age":"23"

    }