JavaScript supports three important types of dialog boxes. These dialog boxes can be used to raise and alert, or to get confirmation on any input or to have a kind of input from the users. Here we will discuss each dialog box one by one.
Following is the code implementing JavaScript dialogue boxes −
Example
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0" /> <title>Document</title> <style> body { font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif; } .sample { font-size: 18px; font-weight: 500; } </style> </head> <body> <h1>Dialogue boxes</h1> <div class="sample"></div> <button class="alert">ALERT BOX</button> <button class="confirm">CONFIRM BOX</button> <button class="prompt">PROMPT BOX</button> <h3> Click on the above button to see their dialogue box </h3> <script> let fillEle = document.querySelector(".sample"); document.querySelector('.alert').addEventListener('click',()=>{ alert('Hello World'); }); document.querySelector('.confirm').addEventListener('click',()=>{ confirm('Are you sure?'); }); document.querySelector('.prompt').addEventListener('click',()=>{ prompt('Enter your name'); }) </script> </body> </html>
Output
On clicking the “ALERT BOX” button −
On clicking the “CONFIRM BOX” button −
On clicking the “PROMPT BOX” button −