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Apr 25th, 2018
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  1. <script>
  2. "use strict";
  3.  
  4. var arr = [];
  5.  
  6. function isNumeric(n) {
  7. return !isNaN(parseFloat(n)) && isFinite(n);
  8. }
  9.  
  10. do {
  11. var input = prompt("Введите число:","");
  12. if(!isNumeric(input)) break;
  13. arr.push(input);
  14. } while ( true );
  15.  
  16.  
  17. var sum = 0;
  18.  
  19. for (var i = 0; i < arr.length; i++) {
  20. sum += +arr[i];
  21. };
  22.  
  23. alert( sum );
  24.  
  25.  
  26. </script>
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