function isArrayLength( value ) {
	return (
		isInteger( value ) &&
		value >= 0 &&
		value <= MAX_ARRAY_LENGTH
	);
}
Tests if a value is a valid array length.

@param {*} value - value to test
@returns {boolean} boolean indicating if a value is a valid array length

@example
var bool = isArrayLength( 3 );
// returns true

@example
var bool = isArrayLength( 3.14 );
// returns false