The Node.js Query String provides methods to deal with query string. It can be used to convert query string into JSON object and vice-versa.
To use query string module, you need to use require(‘querystring’).
Node.js Query String Methods
The Node.js Query String utility has four methods. The two important methods are given below.
| Method | Description |
|---|---|
| querystring.parse(str[, sep][, eq][, options]) | converts query string into JSON object. |
| querystring.stringify(obj[, sep][, eq][, options]) | converts JSON object into query string. |
Node.js Query String Example 1: parse()
Let’s see a simple example of Node.js Query String parse() method.PlayNextMute
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File: query-string-example1.js
querystring = require('querystring');
const obj1=querystring.parse('name=sonoo&company=javatpoint');
console.log(obj1); 
Node.js Query String Example 2: stringify()
Let’s see a simple example of Node.js Query String stringify() method.
File: query-string-example2.js
querystring = require('querystring');
const qs1=querystring.stringify({name:'sonoo',company:'javatpoint'});
console.log(qs1);
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