Endless repetition occurs when invoking a function within a v-for loop

I've encountered an issue while trying to populate an array using a method, leading to redundant data and the following warning message:

You may have an infinite update loop in a component render function.

Below is the code snippet in question:

<v-flex xs6 md3 v-for="i in 12" :key="i">
     {{ pushShow(i) }}
</v-flex>
.
.
.
.
methods: {
   pushShow(i){
      this.show.push(i);

    }
}

The goal is to display cards with different behaviors based on the values inside the array, which should look like: [true, true, false, false, etc]

If anyone has insights on how to tackle this issue, I would greatly appreciate it. Thank you in advance!

Answer №1

When you invoke the function pushShow(i) in your template, it actually executes this.show.push(i) which alters your data. This alteration prompts a new rendering process as Vue detects changes in the data, leading to another invocation of pushShow(i). This cycle repeats indefinitely.

To prevent this issue, avoid modifying any data during rendering. Share more information about your objective, and we can propose a suitable solution for your situation.

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