1. html 코드
<!DOCTYPE html>
<html lang="ko">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Calculator</title>
<link href="./style.css" rel="stylesheet"
</head>
<body>
<div class="calculator">
<form name="forms">
<input type="text" name="output" readonly>
<input type="button" class="clear" value="C" onclick="document.forms.output.value=''">
<input type="button" class="operator" value="/" onclick="document.forms.output.value+='/'">
<input type="button" value="1" onclick="document.forms.output.value+='1'">
<input type="button" value="2" onclick="document.forms.output.value+='2'">
<input type="button" value="3" onclick="document.forms.output.value+='3'">
<input type="button" class="operator" value="*" onclick="document.forms.output.value+='*'">
<input type="button" value="4" onclick="document.forms.output.value+='4'">
<input type="button" value="5" onclick="document.forms.output.value+='5'">
<input type="button" value="6" onclick="document.forms.output.value+='6'">
<input type="button" class="operator" value="+" onclick="document.forms.output.value+='+'">
<input type="button" value="7" onclick="document.forms.output.value+='7'">
<input type="button" value="8" onclick="document.forms.output.value+='8'">
<input type="button" value="9" onclick="document.forms.output.value+='9'">
<input type="button" class="operator" value="-" onclick="document.forms.output.value+='-'">
<input type="button" class="dot" value="." onclick="document.forms.output.value+='.'">
<input type="button" value="0" onclick="document.forms.output.value+='0'">
<input type="button" class="operator-result" value="=" onclick="document.forms.output.value=eval(document.forms.output.value)">
</form>
</div>
</body>
</html>2. css 코드
*{
margin:0;
padding:0;
box-sizing: border-box;
}
body{
background-color: #1f1f1f;
display: flex;
justify-content: center;
align-items: center;
height: 100vh;
}
.calculator{
width: 287px;
border: 1px solid #333;
background-color: #ccc;
padding: 5px;
/* position: absolute;
left: 50%;
top: 50%;
transform: translate(-50%, -50%); */
}
.calculator form{
display: grid;
grid-template-columns: repeat(4, 65px);
grid-template-rows: repeat(6, 65px);
grid-gap: 5px;
}
.calculator form input{
border: 2px solid #333;
cursor: pointer;
font-size: 19px;
}
.calculator form input:hover{
box-shadow: 1px 1px 2px #333;
}
.calculator form input[type='text']{
grid-column: span 4;
text-align: right;
padding: 0 10px;
}
.calculator form .clear{
grid-column: 1/4;
background-color: #ed4848;
}
.calculator form .operator{
background-color: orange;
}
.operator-result{
background-color: orange;
grid-column: 3/5;
}
.calculator form .dot{
background-color: green;
}3. 결과
블로그 이전했습니다 -> https://young-code.tistory.com