Disabling and reenabling add to cart button

[shenderson]

How to enable/disable add to cart button for a specific product when it expires in shopify?

[SimonD]

What theme do you use?

Some themes have the settings of enable or disable add to cart button, when the product is in stock or out of stock.

[NileshTejani]

@shenderson 

it work automatically when variant inventory quantity is 0 it show sold out button instead of add to cart