Javascript: Create a Variable
Variables: Variables are used to store values that can be used to other parts of the programme.Variable names are identifier.
Rules for Variable Names:
1. Variable name can be begin with alphabates (A-Z or a-z).
2. No commas or blank are allowed within a variable.
3. No special symbol other than an underscore(sal_a) can be used in a variable name.
4. A variable name is any combination of alphabates, digits or uderscore.
Example:
<html>
<head>
<title>Create a Variable</title>
<script language="javascript">
var Variablename=value;
var x;
var x,y;
var x=123;
var y="abcd";
var x=23,y="asd";
</script>
</head>
</html>
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