tsukiyama-a5/gist:b501cbdce906e876666c59bb9bf6260b

## gistfile1.txt
<!DOCTYPE html>
<html>
    <head>
    <meta charset="utf-8">
    </head>
<body>
    <div id="app">
        {{name}}:{{age}}歳<br>
        <button v-on:click='plus'>足す</button>
        <button v-on:click='minus'>引く</button>
    </div>
    <script src="https://jp.vuejs.org/js/vue.js"></script>
    <script>
        var app = new Vue({
            el: '#app',
            data: {
                name: 'ogura',
                age: 53
            },
            methods: {
                plus: function() {
                    console.log(1);
                    this.age = this.age + 1;
                },
                minus: function() {
                    console.log(-1);
                    this.age = this.age - 1;
                }
            }
        });
    </script>
</body>
</html>
	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8">
	</head>
	<body>
	<div id="app">
	{{name}}:{{age}}歳<br>
	<button v-on:click='plus'>足す</button>
	<button v-on:click='minus'>引く</button>
	</div>
	<script src="https://jp.vuejs.org/js/vue.js"></script>
	<script>
	var app = new Vue({
	el: '#app',
	data: {
	name: 'ogura',
	age: 53
	},
	methods: {
	plus: function() {
	console.log(1);
	this.age = this.age + 1;
	},
	minus: function() {
	console.log(-1);
	this.age = this.age - 1;
	}
	}
	});
	</script>
	</body>
	</html>