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lesson 40: v-if

This commit is contained in:
Andreas Zweili 2021-01-19 21:26:38 +01:00
parent ccc8800093
commit 8bba59fa81
2 changed files with 28 additions and 20 deletions
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16
lists-cond-01-starting-setup/app.js
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@ -1,7 +1,15 @@
const app = Vue.createApp({ const app = Vue.createApp({
data() { data() {
return { goals: [] }; return {
}, goals: [],
enteredGoalValue: "",
};
},
methods: {
addGoal() {
this.goals.push(this.enteredGoalValue);
},
},
}); });
app.mount('#user-goals'); app.mount("#user-goals");

32
lists-cond-01-starting-setup/index.html
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@ -1,29 +1,29 @@
<!DOCTYPE html> <!DOCTYPE html>
<html lang="en"> <html lang="en">
<head>
<head>
<meta charset="UTF-8" /> <meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" /> <meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Vue Basics</title> <title>Vue Basics</title>
<link <link href="https://fonts.googleapis.com/css2?family=Jost:wght@400;700&display=swap" rel="stylesheet" />
href="https://fonts.googleapis.com/css2?family=Jost:wght@400;700&display=swap"
rel="stylesheet"
/>
<link rel="stylesheet" href="styles.css" /> <link rel="stylesheet" href="styles.css" />
<script src="https://unpkg.com/vue@next" defer></script> <script src="https://unpkg.com/vue@next" defer></script>
<script src="app.js" defer></script> <script src="app.js" defer></script>
</head> </head>
<body>
<body>
<header> <header>
<h1>Vue Course Goals</h1> <h1>Vue Course Goals</h1>
</header> </header>
<section id="user-goals"> <section id="user-goals">
<h2>My course goals</h2> <h2>My course goals</h2>
<input type="text" /> <input type="text" v-model="enteredGoalValue" />
<button>Add Goal</button> <button @click="addGoal">Add Goal</button>
<p>No goals have been added yet - please start adding some!</p> <p v-if="goals.length === 0">No goals have been added yet - please start adding some!</p>
<ul> <ul>
<li>Goal</li> <li>Goal</li>
</ul> </ul>
</section> </section>
</body> </body>
</html> </html>