<script src="https://cdnjs.cloudflare.com/ajax/libs/vue/2.6.10/vue.min.js"></script>
<div id="app">
<input type="checkbox" name="vehicle1" value="Bike" v-model="items"> I have a bike<br>
<input type="checkbox" name="vehicle2" value="Car" v-model="items"> I have a car<br>
<input type="checkbox" name="vehicle3" value="Boat" v-model="items"> I have a boat<br>
</div>
Babel + JSX
new Vue({
el: '#app',
data: {
items: ['Car']
},
watch: {
items(newVal, oldVal) {
// Do nothing if the array is empty or already only has one value
if (newVal.length <= 1) {
return
}
// Otherwise, remove the first item in the array
newVal.shift()
}
}
})
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