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## Built-in Functions and Operators

Qt Script for Applications provides many useful built-in functions and operators.

The built-in functions include isNaN(), killTimer(), killTimers(), connect(), debug(), eval(), isFinite(), parseFloat(), parseInt(), print(), escape(), unescape() and startTimer()

Classes, functions, variables and constants are declared with class, function, var and const respectively.

ECMAScript reserves the following words for future use:
boolean, byte, char, debugger, double, enum, export, float, goto, implements, import, int, interface, long, native, short, synchronized, throws, transient and volatile.
It is unadvisable to use any of these words as identifiers.

### Built-in Functions

### Built-in Operators

### Declarations

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