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kiril_dishliev

JS Validation checkNumber

Dec 2nd, 2017
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  1. //числото дали е между numberFrom и numberTo включително
  2. // onblur="checkNumber(this, 1, 10)
  3. function checkNumber(obj, numberFrom, numberTo) {
  4.  
  5. var value = parseInt($(obj).val() * 1);
  6. var number1 = parseInt(numberFrom * 1);
  7. var number2 = parseInt(numberTo * 1);
  8.  
  9. if (value != "NaN") {
  10. var isValid = number1 <= value && number2 >= value;
  11. if (!isValid) {
  12. $(obj).val("");
  13. }
  14. }
  15. else if (value == "NaN") {
  16. $(obj).val("");
  17. }
  18. }
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