http://www.w3schools.com/js/js_variables.asp JavaScript Variables« PreviousNext Chapter »JavaScript VariablesJavaScript variables are containers for storing data values.In this example, x, y, and z, are variables:Examplevar x = 5; var y = 6; var z = x + y;Try it Yourself »From the example above, you can expect:x stores the value 5y stores the value 6z stores the value 11Much Like AlgebraIn this ..