좋아요 버튼 예제
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>좋아요</title>
<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
</head>
<body>
<div id="root">
<div v-if="liked">좋아요 눌렸음</div>
<button v-else v-on:click="onClickButton()">like</button>
</div>
</body>
<script>
const app = new Vue({
el: '#root',
data: {
liked: false,
},
methods: {
onClickButton(){
this.liked = true;
}
}
});
</script>
</html>결과
html 태그 안에 v- 로 시작하는 vue 코드가 있을시 그 안에는 script 코드를 선언할 수 있다.
구구단
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>구구단</title>
<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
</head>
<body>
<div id="root">
<div>{{first}}곱하기 {{second}}는?</div>
<form v-on:submit="onSubmitForm">
<input type="number" ref="answer" v-model="value">
<button type="submit">입력</button>
</form>
<div id="result">{{result}}</div>
</div>
<script>
const app = new Vue({
el: '#root',
data: {
first: Math.ceil(Math.random() * 9),
second: Math.ceil(Math.random() * 9),
value: '',
result: '',
},
methods: {
onSubmitForm(e){
e.preventDefault(); // 폼 새로고침 막음
console.log(this);
if(this.first * this.second === parseInt(this.value)){
this.result = '정답';
this.first = Math.ceil(Math.random() * 9);
this.second = Math.ceil(Math.random() * 9);
this.value = '';
this.$refs.answer.focus();
} else{
this.result = '땡';
this.value = '';
this.$refs.answer.focus();
}
}
},
});
</script>
</body>
</html>결과
끝말잇기
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>끝말잇기</title>
<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
</head>
<body>
<div id="root">
<div>{{word}}</div>
<form v-on:submit="onSubmitForm">
<input type="text" ref="answer" v-model="value">
<button type="submit">입력!</button>
</form>
<div>{{result}}</div>
</div>
<script>
const app = new Vue({
el: '#root',
data: {
word: '제로초',
result: '',
value: '',
},
methods: {
onSubmitForm(e){
e.preventDefault();
if(this.word[this.word.length -1] === this.value[0]){
this.result = '딩동댕';
this.word = this.value;
this.value = '';
this.$refs.answer.focus();
} else{
this.result = '땡';
this.value = '';s
this.$refs.answer.focus();
}
},
},
})
</script>
</body>
</html>결과
