A variable is assigned a value using the assignment operator "=". The next example shows how to prompt the user to enter information as shown here 
	<!DOCTTYPE html> 

	<!--Example 1: Promt.html --> 

		<html> 

			<head> 

				<title> Prompt the user </title> 

				<script > 

				<!-- 

				//Display a prompt box" 

				var username; //this variable is used to store the user's name 

				name = window.prompt('Enter your name:'); 

				document.write('<h2> Hi  ' + name + ': Welcome to my JavaScript course! </h2>'); 

				// --> 

				</script> 

			</head> 

			<body></body> 

		</html>
Here is how the message get displayed as shown here:


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Date of last modification: March 26, 2019.