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Apr 23rd, 2017
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  1. /*
  2. * Está función evita que se ingresen caracteres alfabéticos en un elemento <input/>
  3. */
  4. function avoidAlphabeticalKeys(event) {
  5.  
  6. var keyCode = event.keyCode;
  7. var key = window.event ? event.keyCode : event.which;
  8.  
  9. if (keyCode === 8 || keyCode === 46 || keyCode === 37 || keyCode === 39) {
  10. return true;
  11. } else if (key < 48 || key > 57) {
  12. return false;
  13. }
  14.  
  15. }
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