jQuery addClass example

Change class name on click in jQuery

by Boris Shpakovsky

HTML

<div class="support__pay support-pay-blocks">
  <div class="support-pay-block" data-cost="100">100 руб.</div>
  <div class="support-pay-block" data-cost="500">500 руб.</div>
  <div class="support-pay-block" data-cost="1000">1 000 руб.</div>
  <div class="support-pay-block" data-cost="5000">5 000 руб.</div>
  <div class="support-pay-block" data-cost="10000">10 000 руб.</div>
  <div class="support-pay-block active" data-cost="another">Другая сумма</div>
  <input class="price-cost" type="text" name="price">
</div>

JavaScript

if (('.support-pay-block').data('cost') === '100' ){
  (this).text('100500')
}