UC知道JavaScript计算器
来源：百度知道 编辑：UC知道 时间：2024/06/14 10:46:52
<head runat="server">
<title>计算机</title>
<script language="JavaScript">
function add() {
var sum;
sum=parseInt(left.value)+parseInt(right.value);
result.value=sum;
}
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<input type="text" id="left" />
<input type="button" id="add" value="+" onclick="add()" style="width: 20px" />
<input type="text" id="right" />
=
<input type="text" id="result" />
</div>
</form>
</body>
</html>哪里错啊~~~~急~~在线等,高手帮帮忙啊~~
<title>计算机</title>
<script language="JavaScript">
function add() {
var sum;
sum=parseInt(left.value)+parseInt(right.value);
result.value=sum;
}
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<input type="text" id="left" />
<input type="button" id="add" value="+" onclick="add()" style="width: 20px" />
<input type="text" id="right" />
=
<input type="text" id="result" />
</div>
</form>
</body>
</html>哪里错啊~~~~急~~在线等,高手帮帮忙啊~~
id = "add" 和 onClick="add()"都用了add起了冲突，把id = 删了，或者改个其它名字就行了。
<head runat="server">
<title>计算机</title>
<script language="JavaScript">
function add() {
var sum;
sum=parseInt(form1.left.value)+parseInt(form1.right.value);
form1.result.value=sum;
}
</script>
</head>
<body>
<form id="form1">
<input type="text" id="left" />
<input type="button" value="+" onClick="add()" />
<input type="text" name="right" />
<input type="text" name="result" />
</form>
</body>
</html>