Node.js url.domainToUnicode() Method

The url.domainToUnicode() method is an inbuilt application programming interface of class URL with in url module which is used to get the domain for the particular ASCII value.

Syntax:

const url.domainToUnicode(domain)

Parameter:s This method takes ASCII value as a parameter which is going to be converted in Unicode.

Return value: This method returns the unicode value of the particular domain.

Below programs illustrates the use of url.domainToUnicode() method.
Example 1:

// Node.js program to demonstrate the
// URL.domainToUnicode() method

// Importing the 'url' module
const http = require('url');

// Getting Unicode value
// by using domainToUnicode() api
const ascivalue = http.domainToUnicode(
            "xn--espaol-zwa.com");

// Display result for each value entry
console.log("Unicode value : " + ascivalue);

// Getting Unicode value
// by using domainToUnicode() api
const ascivalue1 = http.domainToUnicode("google.com");

// display result for each value entry
console.log("\nUnicode value : " + ascivalue1);

Output:

ASCII value : xn--espaol-zwa.com

ASCII value : google.com

Example 2:

// Node.js program to demonstrate the
// URL.domainToUnicode() API as Setter

// Importing the module 'url'
const http = require('url');

// Getting Unicode value
// by using domainToUnicode() api
const ascivalue = http.domainToUnicode(
            "geeksforgeeks.com");

// Display result for each value entry
console.log("Unicode value : " + ascivalue);

// Getting Unicode value
// by using domainToUnicode() api
const ascivalue1 = http.domainToUnicode("xn--iñvalid.com");

// Display result for each value entry
console.log("\nUnicode value : " + ascivalue1);

Output:

Unicode value : geeksforgeeks.com

Unicode value :

NOTE: The above program will not run on online JavaScript and script editor.

Reference: https://nodejs.org/dist/latest-v14.x/docs/api/url.html#url_url_domaintounicode_domain