Node | urlObject.query API

The urlObject.query is the query string returned without the ASCII question mark (?) or an object returned by the querystring module named as parse() method. Url.parse() method is used to check whether the query is a string or an object. Basically, the argument (parseQueryString) that is passed to url.parse() method to tell the nature of the query.

Syntax

urlObject.query

Note: If this method returns as a string then decoding query string not performed and if it returns an object then both key, value pairs are decoded.

Example:

'query=string' or {'query': 'object'}

'http://localhost:8000/gfg.html?name:GFG'
In the above URL, the name is the query and GFG is the string.

Below programs illustrates the use of url.query method in Node.js:

Example 1:

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// Node program to demonstrate the  
// url.query API as Setter
   
// Importing the module 'url'
var url = require('url');
  
// Set the URL from which the queryString will be fetched
  
// Parse the address
var q = url.parse(address, true);
   
// The query property returns an object with all the
// querystring parameters as properties
var query = q.query;
  
var month = query.month;
   
console.log(month);

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Output:

December

Example 2:

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// Node program to demonstrate the  
// url.query API as Setter
   
// Importing the module 'url'
var url = require('url');
  
// Set the URL from which the queryString will be fetched
  
// Parse the address
var q = url.parse(address, true);
   
// The query property returns an object with all the
// querystring parameters as properties
var query = q.query;
  
var year = query.year;
   
console.log(year);

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Output:

2019

Reference: https://nodejs.org/api/url.html#url_urlobject_query



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