Can we use our own javascript code for UI designing

Can we use our own client side code for app development or can we use our own client side code for app development ?

Hi @namitagupta

I have a feeling both will have a similar outcome haha. I believe the question was not phrased properly, was there another option you wanted to clarify? There is lots of good information in our docs for the type of apps possible: https://help.shopify.com/en/api/getting-started#build-an-app