How to bind v-bind to data-id?

Question

JavaScript

Tell me how to correctly bind data-id through v-bind. And then after re-rendering, the same data-id is transmitted
https://jsfiddle.net/oe0x51b9/6/

Answer 1

I’m not sure what worked wrong for you, but most likely you didn’t use in the loop v-bind:key, and your logic could also be slightly simplified due to computed variables https://jsfiddle.net/sn0w14rp/1/