CodePen Embed - クリック

<div id="app">
  <p>{{count}}</p>
  <button @click="countUp">クリックで実行</button>
</div>

body {
  background-color: #fff;
}

new Vue({
			el: "#app",
			data: {
				count:0
			},
			methods: {
				countUp: function() {
					this.count++;
				}
			}
		})

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