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17 - 计数器 #2248

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@mu-muw

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@mu-muw
// 你的答案JavaScript写法 对不对我不知道 能加能减
+ {{ count }} - 重置
<script setup> import { ref } from 'vue' const count = ref(0) function add() { count.value++ } function dec() { //如果count.value = 0 则不会执行 if (count.value > 0) { count.value--} } function reset() { count.value = 0 } </script>

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