jQuery implements simple online calculator method
This article mainly introduces the simple online calculator function implemented by jQuery, and analyzes the related operating skills of jQuery implementing simple four arithmetic operations in the form of a complete example. Friends who need it can refer to it. I hope it can help everyone.
Let’s take a look at the running effect diagram first:
The complete code is as follows:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"//m.sbmmt.com/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="//m.sbmmt.com/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>jQuery计算器</title>
<style type="text/css"><!--
.p{
border:green 1px;
border-style:solid;
width:300px;
text-align:center;
}
span{
background-color:#CCCCCC;
font-size:32px;
font-family:"微软雅黑";
}
.input{
border: 1px solid #6666FF;
}
--></style><style type="text/css"> .p{
border:green 1px;
border-style:solid;
width:300px;
text-align:center;
}
span{
background-color:#CCCCCC;
font-size:32px;
font-family:"微软雅黑";
}
.input{
border: 1px solid #6666FF;
}</style>
<script src="jquery-1.7.2.min.js" type="text/JavaScript"></script>
<script language="javascript"><!--
$(document).ready(function() {//传说中的ready
$("form p input:text").addClass("input");//找到form里面p包含的input标签类型为text的元素 jQuery强悍
var num1,num2;
$("#jia").click(function() {
num1=parseFloat($("#num1").val());
num2=parseFloat($("#num2").val());
$("#reset").val(num1+num2);
});
$("#jian").click(function() {
num1=parseFloat($("#num1").val());
num2=parseFloat($("#num2").val());
$("#reset").val(num1-num2);
});
$("#cheng").click(function() {
num1=parseFloat($("#num1").val());
num2=parseFloat($("#num2").val());
$("#reset").val(num1*num2);
});
$("#chu").click(function() {
num1=parseFloat($("#num1").val());
num2=parseFloat($("#num2").val());
$("#reset").val(num1/num2);
});
});
// --></script>
</head>
<body style="text-align:center">
<form>
<p class="p">
<p><span>jQuery简单计算器</span></p>
<p>第一个数:<input type="text" id="num1" ></p>
<p>第二个数:<input type="text" id="num2" ></p>
<p><input type="button" value=" + " id="jia"><input type="button" value=" - " id="jian"><input type="button" value=" * " id="cheng"><input type="button" value=" / " id="chu"></p>
<p>结果:<input type="text" id="reset" /></p>
</p>
</form>
</body>
</html>Related recommendations:
Detailed explanation of sample code for PHP to implement online calculator function
Use php+mysql to make a powerful online calculator_PHP tutorial
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