웹 공부/javascript

코딩 스터디(모각코) 11일차 - 한 입 웹개발(JS)

윈터가든 2021. 7. 28. 12:56

오늘의 문제 : 사용자의 입력을 받아 특정 텍스트가 들어왔을 때, 자신이 출력하거나 바꾸고 싶은 요소들을 console.log()로 출력

 

👉 예시

✅ 오늘의 문제 풀이 인증

<HTML>

<!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>javascript1</title>
    <link rel="preconnect" href="https://fonts.googleapis.com">
    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
    <link href="https://fonts.googleapis.com/css2?family=Gamja+Flower&display=swap" rel="stylesheet">
    <link rel="stylesheet" href="./11.css">
    <script src="./11.js"></script>

</head>

<body>
    <div class="box">
        <a>냐앙~</a>
    </div>

    <img src="img/고양이.jpg" alt="" >
    <input type="text" id="text_box">
    <button onclick="btn_click()">시키기</button>

</body>

</html>

<CSS>

*{font-family: 'Gamja Flower', cursive;}
.box{
    text-align: center;
    line-height: 200px;
    width: 500px;
    height: 200px;
    border-style: solid; 
    border-color: rgb(126, 91, 66);
    border-width:4px;
    border-radius: 5px;
    margin-bottom: 30px;
    margin-left: auto;
    margin-right: auto;
    font-size: 30px;
    position: relative;
   
}

img{
    display: block;
    width: 300px;
    margin-bottom: 30px;
    margin-left: auto;
    margin-right: auto;
    position: relative;

}

input[type=text]{
   
    display: block;
    border: 3px solid peru;
    border-radius: 5px;
    height: 30px;
    width: 300px;
    font-size: 12pt;
    text-align: center;
    box-sizing: border-box;
    margin-bottom: 20px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    
   
    
}
button{
    display: block;
    margin-right: auto;
    margin-left: auto;
    background-color: navajowhite;
    border: none;
    border-radius: 30px;
    width: 200px;
    height: 50px;
    font-size: 30px;
    color: white;

}

<javascript>

function btn_click(){
    var text=document.getElementById('text_box').value;
    console.log(text);
    if(text=="안녕"){
        console.log("안녕🐾")
    }
    if(text=="반가워"){
        console.log("반갑다냥😺")
    }
    if(text=="뭐해?"){
        console.log("밥 먹는다냥🍖")
    }
   
}

<결과화면>

✅ 오늘의 한마디

<javascript input값 가져와서 출력하기>

➡ document.getElementById(ID값).value;