Using Vue to change select box data separately

I have a functional select box that is currently sending the selected value to a method when the change event occurs. However, I am wondering about something:

Let's say I also want to send the cat_id value at the time of selection (to create an object linking the cat_id and date within the method). Is there a way to include that cat_id, or any other data, in the select box change event?

var vm = 
new Vue({
  el: "#app",
  props: { 

  },
  data: {
    testing_dates:['2021-11-29', '2021-11-30'],
    cat_id: [123]
  },
  methods: {
    testChange(event){
      console.log(event.target.value);
    },
  },
});
  
<script src="https://cdnjs.cloudflare.com/ajax/libs/vue/2.5.17/vue.js"></script>
<div id="app">
<li>Category ID: {{ cat_id }}</li>
<li style="list-style: none;">
  <select style="width: auto;" @change="testChange($event)">
     <option selected disabled>Options</option>
     <option v-for="date in testing_dates" :value="date">{{ date }}</option>
  </select>
</li>
</div>

Answer №1

If you want to include another argument, you can do so like this:

@update="handleUpdate($event, item_id)"
handleUpdate(event, itemId){
  console.log(event.target.value, itemId);
}

Alternatively, you can access the additional parameter within the function itself:

handleUpdate(event){
  console.log(event.target.value, this.item_id);
}

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