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<script>
import { defineProps, ref } from 'vue'
const {start} = defineProps({start: Number})
let count = ref(start)
function onClick() {
count++
}
</script>
<script>
import { onMounted } from 'vue'
onMounted(() => {
console.log("counter created !")
})
</script>
<template>
<p>
you counted {{count}} times!
</p>
<button @click="onClick">
Count
</button>
</template>
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