Node.js path.extname() Method

// Node.js program to demonstrate the   
// path.extname() method

// Import the path module
const path = require('path');
 
path1 = path.extname("hello.txt");
console.log(path1)
 
path2 = path.extname("readme.md");
console.log(path2)
 
// File with no extension
// Returns empty string
path3 = path.extname("fileDump")
console.log(path3)
 
// File with blank extension
// Return only the period
path4 = path.extname("example.")
console.log(path4)
 
path5 = path.extname("readme.md.txt")
console.log(path5)
 
// Extension name of the current script
path6 = path.extname(__filename)
console.log(path6)

// Node.js program to demonstrate the   
// path.extname() method

// Import the path module
const path = require('path');
 
// Comparing extensions from a
// list of file paths
paths_array = [
    "/home/user/website/index.html",
    "/home/user/website/style.css",
    "/home/user/website/bootstrap.css",
    "/home/user/website/main.js",
    "/home/user/website/contact_us.html",
    "/home/user/website/services.html",
]
 
paths_array.forEach(filePath => {
    if (path.extname(filePath) == ".html")
        console.log(filePath);
});