Any property references without an object are assumed to use the default object. This statement is especially useful when applied to the Math object for a set of calculations. Operators on the same level have equal precedence. Calculations are computed from left to right on all binary operations beginning with the operators at the top of the list and working down. Built-in objects can be accessed by both the client and server.
String Contains a string of characters.
Math Provides numerical constants and mathematical functions. The highest precedence object accessible by JavaScript relating to the current open Navigator window. New windows and frames can also be created. The following words cannot be used as user objects or variables in coding JavaScript. Not all are currently in use by JavaScript-they are reserved for future use.