html+css+java질문좀부탁드립니다.
조회수 471회
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width">
<title>자동견적시스템</title>
<link href="style.css" rel="stylesheet" type="text/css" />
</head>
<style type ="text/css">
.title{
height:100px;
border-bottom:2px solid black;
display: flex;
flex-direction: row;
justify-content: center;
align-items: center;
}
.prodName{
display: inline-block;
margin-right: 10px;
font-family: "Noto Sans Bold";
font-size: 42px;
color: #222;
line-height: 100%;
}
.tit0{
float: left;
position: relative;
margin-top: 10px;
margin-left: 10px;
line-height:2.3em;
}
/*테이블 셋팅*/
table.type02 {
border-collapse: separate;
border-spacing: 0;
text-align: left;
line-height: 1.5;
border-top: 1px solid #ccc;
border-left: 1px solid #ccc;
margin : 20px 10px;
}
table.type02 th {
width: 150px;
padding: 10px;
font-weight: bold;
vertical-align: top;
border-right: 1px solid #ccc;
border-bottom: 1px solid #ccc;
border-top: 1px solid #fff;
border-left: 1px solid #fff;
background: #eee;
text-align: center;/*택스트중앙*/
}
table.type02 td {
width: 150px;
padding: 10px;
vertical-align: top;
border-right: 1px solid #ccc;
border-bottom: 1px solid #ccc;
text-align: center;
}
</style>
<script>
function multiplyBy()
{
num1 = document.getElementById("firstNumber").value;
num2 = document.getElementById("secondNumber").value;
document.getElementById("result").innerHTML = num1 * num2;
document.getElementById("result2").innerHTML = num1 * num2;
/*곱*/
num3 = document.getElementById("result1").value;
document.getElementById("result3").innerHTML = num3 * num1 * num2;
}
</script>
<body>
<div class="title">
<h3 class="prodName" id="subTitleProdNm">견적서</h3>
</div>
<div class="tit0">
<h4>종류 선택</h4>
<form>
칸수 <input type="number" id="firstNumber"/><br> 줄수 <input type="number" id="secondNumber"/><br>
<input type="button" onClick="multiplyBy()" Value="합계" /> =
<span id ="result"> 결과값 </span>
</form>
<table class="type02">
<tr>
<th scope="col">품명</th>
<th scope="col">가격</th>
<th scope="col">수량</th>
<th scope="col">합계</th>
</tr>
<tr>
<th scope="row"> 사과</th>
<td id="result1">500</td>
<td id="result2"></td>
<td id="result3"></td>
</table>
</div>
</body>
</html>
칸수 * 줄수 하면 합계가나오고
가격 X 수량 = 합계 가 되어야되는데
가격 500이 정수가아닌지 곱샘이 안되는데
<td id="result1">500</td>
num3 = document.getElementById("result1").value;
이거 어떻게 처리하면 될까요?
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(•́ ✖ •̀)
알 수 없는 사용자 - 〉
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