<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Vue - 我的学习</title>
<script src="https://cdn.staticfile.org/vue/2.4.2/vue.min.js"></script>
</head>
<body>
<div id="app">
<template v-if="loginType === 'username'">
<label>UserName</label>
<input placeholder="Enter your username" key="username-input" />
</template>
<template v-else-if="loginType === 'email'">
<label>Email</label>
<input placeholder="Enter your email" key="email-input" />
</template>
<br />
<button @click="switchLoginType">switch login type</button>
</div>
<script>
var vm = new Vue({
el: "#app",
data: {
loginType: 'username'
},
methods: {
switchLoginType: function () {
console.log(this.loginType);
this.loginType = (this.loginType == 'username') ? 'email' : 'username';
return this.loginType;
}
}
})
</script>
</body>
</html>
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