Define variable and assign value : Variables « Language Basics « JavaScript Tutorial

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JavaScript Tutorial » Language Basics » Variables

1. 9. 5. Define variable and assign value


<html>

<head>

<title>Variable Demo</title>



<script language="javascript" type="text/javascript">

<!--



var myVar;

myVar = "a string";

alert(myVar);



//-->

</script>



</head>

<body>



<h1>Variable Demo</h1>



</body>

</html>

1. 9. Variables
	1. 9. 1.	Variables
	1. 9. 2.	Variables can hold different types of values at different times
	1. 9. 3.	Naming Variables
	1. 9. 4.	Variables don't have to be declared before being used
	1. 9. 5.	Define variable and assign value
	1. 9. 6.	Reassigning value to Variables
	1. 9. 7.	Working With JavaScript Variables
	1. 9. 8.	Declare two variables in the same line
	1. 9. 9.	Reference a variable without declaration
	1. 9. 10.	Assign one variable to another variable
	1. 9. 11.	Do simple calculation
	1. 9. 12.	Braces indicate code blocks

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