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  1. function filter (arr, fn) {
  2. 	var newArr = [];
  3.  
  4. 	for (var i = 0; i < arr.length; i++) {
  5. 		if (fn(arr[i])) {
  6. 			newArr.push(arr[i]);
  7. 		} 
  8. 	};
  9. 	return newArr;
  10. }
  11.  
  12.  
  13. var input = [1, 2, 3, 4, 5, 6];
  14. function isEven(x) { return x % 2 == 0; } // проверяет на четность
  15. console.log(filter(input, isEven)); // [2, 4, 6]
  16.  
  17. console.log(input); // [1, 2, 3, 4, 5, 6]
Runtime error #stdin #stdout #stderr 0.48s 321920KB
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Standard input is empty
stdout
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Standard output is empty
stderr
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js: uncaught JavaScript runtime exception: ReferenceError: "console" is not defined.
https://ideone.com/U28j6S
language:
JavaScript (rhino 1.7.9)
created:
9 years ago
visibility:
public

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