Program To Make the button to demonstrate the prompt box Using JavaScript in HTML

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Program To Make the button to demonstrate the prompt box Using JavaScript in HTML


This program will show a button in your browser window and when you click on that button, then a prompt box will popup-ed. In that, you will write your name in text box, then click ok and your message or name display in your browser page.

<html>
<body>

 <p>Click the button to demonstrate the prompt box.</p>

 <button onclick="myFunction()">Try it</button>

 <p id="demo"></p>

 <script>
function myFunction()
{
var x;

 var person=prompt("Please enter your name","Harry Potter");

 if (person!=null)
  {
  x="Hello " + person + "! How are you today?";
  document.getElementById("demo").innerHTML=x;
  }
}
</script>

 </body>
</html>






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