<!DOCTYPE html> <html> <head> <title>Untitled</title> <meta charset="utf-8"> <style type="text/css"> </style> <script> window.addEventListener("DOMContentLoaded", function() { [{id : 4, r : 40},{id : 8, r : 25}].forEach(function(c) { var b = document.querySelector("[id=edit-submitted-"+c.id+"otvet]"), a = document.querySelector("[id=edit-submitted-"+c.id+"rez]"); b.addEventListener("input", function() { a.value = +(this.value == c.r) }) }) }); </script> </head> <body> <form> <div class="form-item webform-component webform-component-number webform-component--4otvet webform-container-inline form-group form-inline form-item form-item-submitted-4otvet form-type-webform-number form-group"> <label class="control-label" for="edit-submitted-4otvet">Ответ</label> <input class="form-control form-text form-number" type="text" id="edit-submitted-4otvet" name="submitted[4otvet]" step="1"></div> <div class="form-item webform-component webform-component-number webform-component--4rez webform-container-inline form-group form-inline form-item form-item-submitted-4rez form-type-webform-number form-group"> <label class="control-label" for="edit-submitted-4rez">4rez</label> <input class="form-control form-text form-number" type="text" id="edit-submitted-4rez" name="submitted[4rez]" value="0" step="1"></div> .......... <div class="form-item webform-component webform-component-number webform-component--8otvet webform-container-inline form-group form-inline form-item form-item-submitted-8otvet form-type-webform-number form-group"> <label class="control-label" for="edit-submitted-8otvet">Ответ</label> <input class="form-control form-text form-number" type="text" id="edit-submitted-8otvet" name="submitted[8otvet]" step="1"></div> <div class="form-item webform-component webform-component-number webform-component--8rez webform-container-inline form-group form-inline form-item form-item-submitted-8rez form-type-webform-number form-group"> <label class="control-label" for="edit-submitted-8rez">8rez</label> <input class="form-control form-text form-number" type="text" id="edit-submitted-8rez" name="submitted[8rez]" value="0" step="1"></div> </form> </body> </html>