Multiple choice technology

---------------- evaluates expression and returns true if it is a finite number or false if it is infinity or negative infinity.

  1. isFinite()

  2. isItFinite()

  3. _finite()

  4. _isFinite()
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A Correct answer
Explanation

isFinite() is the standard JavaScript/ActionScript function that checks if a value is a finite number (not infinity or NaN). It returns true for finite numbers and false for infinity, -infinity, or NaN. The other options (isItFinite, _finite, _isFinite) are not valid function names.

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