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Practice how to create a function in JavaScript
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<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Function in JavaScript</title> <!--Script tag is added to write JavaScript code inside it--> <script> //function without parameter function FullName(){ var firstname = "John"; var lastName = "Smith"; return firstname + " " + lastName; } function myFunction() { //FullName() function called var name = FullName(); document.getElementById("outPut").innerHTML = "The output of the FullName() function is: " + name; } </script> </head> <body> <h1>How to Create a Function in JavaScript?</h1> <button onclick="myFunction()">Click here to see result</button> <p id="outPut"></p> </body> </html>
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