Set and display a custom product variation value dynamically on WooCommerce single products
问题 I have a WooCommerce jewelry site. On single variable product page I have variations and I added a text box (text box is for the customer to write something that will be printed on the jewelry). So I expect the page to work as follows: If the customer selects a particular product variation and starts typing in the textbox price of the product should change depending on number of letters (NOTE: this should only work if one specific variation is selected) on every other product price will be