I have installed a module which is for adding increment and decrement buttons for quantity. After installing the module I can see the buttons in product detail page but when i update the quantity, it's not reflecting to the cart.

Below is the module I have used:


Could anyone please help me with this?

1 Answer 1


I got the original implementation working in luma theme


Had to adapt the js slightly. My guess is that something has changed since the original tutorial was put together

I submitted a pull request but not merged in


Perhaps that's your issue?

  • Thanks so much for your answer! It's work great.
    – MagentoDev
    Commented Sep 17, 2019 at 17:05
  • when I have installed and at first time i tried updating the quantity using buttons, its reflected to the cart but again it's not reflecting when I add second time
    – MagentoDev
    Commented Sep 17, 2019 at 17:13

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