console
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>加法计算器案例</title>
</head>
<body>
<div id="app">
<form action="#">
<h2>简单计算器</h2>
<div>
<label for="num1">数值A：</label>
<input type="text" v-model.trim.number="one" id="num1">
</div>
<div>
<label for="num2">数值B：</label>
<input type="text" v-model.trim.number="two" id="num2">
</div>
<div>
<input type="button" @click="value" value="计算">
</div>
</form>
<div>
计算结果:<span v-text="result"></span>
</div>
</div>
<script>
let vm = new Vue({
el: "#app",
data: {
one: 0,
two: 0,
result: 0
},
methods: {
value: function() {
this.result = this.one + this.two;
}
}
})
</script>
</body>
</html>