<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>ajaxPost</title>
<script>
//获得id属性值简单分装方法
function $(id){
return document.getElementById(id);
};
//ajax Post请求
window.onload=function(){
var one=$('one').value;
var two=$('two').value;
//add
$('add').onclick=function(){
var data="one="+one+"&&two="+two;
var a=parseInt(one);
var b=parseInt(two);
$('rs').innerText=a+b;
};
//sub
$('sub').onclick=function(){
var data="one="+one+"&&two="+two;
var a=parseInt(one);
var b=parseInt(two);
$('rs').innerText=a-b;
};
//mul
$('mul').onclick=function(){
var data="one="+one+"&&two="+two;
var a=parseInt(one);
var b=parseInt(two);
$('rs').innerText=a*b;
};
//div
$('div').onclick=function(){
var data="one="+one+"&&two="+two;
var a=parseInt(one);
var b=parseInt(two);
$('rs').innerText=a/b;
};
};
</script>
</head>
<body>
第一个数:<input type="text" id="one"/><br>
第二个数 :<input type="text" id="two"/><br>
结果:<span id="rs"></span><br>
计算<button style="font-size: 25px" type="button" id="add">计算+</button>
<button style="font-size: 25px" type="button" id="sub">计算-</button>
<button style="font-size: 25px" type="button" id="mul">计算*</button>
<button style="font-size: 25px" type="button" id="div">计算/</button>
</body>
</html>
JS加减乘除小程序
最新推荐文章于 2023-11-15 16:41:56 发布