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→Variable Declaration and the Assignment Operator
myVariable = 10;
</pre>
== JavaScript Variable Naming Conventions ==
JavaScript variable names are made up of letter, numbers and underscores. They cannot contain spaces and must not begin with a number. For example ''sales_percentage'' would be a valid variable name, where as ''sales percentage'' would be invalid because it contains a space character. Similarly ''two_layers'' is valid, but ''2_layers'' is not due to the fact that it begins with a number.