Update Field via code

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1

I want to create a liking system where the user clicks a button and the field “Likes” in the “Post” collection updates by +1. How can I do this?

2

each post in collection has a field for example “like” Every user after click add 1 to number in field. Thats all. Think if user should be unique or everybody can click whenever they want.

3

Thanks for replaying! I’m still a beginner in wix code, could you give me an example. Also do you know how to make sure the user who likes the post can’t like it again?

,thanks

4

if You have users who have to log in its easy because every user has id so you have field like and user. after click You check if there is already such user and if so expand box with text …