直接上图
HTML部分
<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>我的第一个计算器</title> <link rel="stylesheet" href="计算器.css" rel="external nofollow" /> <script src="计算器.js"> </script> </head> <body> <h1 style="text-align: center;">欢迎使用</h1> <!--<audio src="audio/1.mp3" id="music"> </audio>--> <hr /> <p style="text-align: center;color:#6495ED;">输入不要超过8位数哦</p> <div class="box"> <div class="header"> <div class="screen"><b id="s1"></b></div> <div class="screen"><b id="s2"></b></div> </div> <div class="content"> <input type="button" name="" id="start" value="开始" /> <input type="button" name="" id="clear" value="清零" /> <input type="button" name="" id="del" value="删除" /> <input type="button" name="" id="stop" value="关闭" /> <input type="button" name="" id="b1" value="1" /> <input type="button" name="" id="b2" value="2" /> <input type="button" name="" id="b3" value="3" /> <input type="button" name="" id="b+" value="+" /> <input type="button" name="" id="b4" value="4" /> <input type="button" name="" id="b5" value="5" /> <input type="button" name="" id="b6" value="6" /> <input type="button" name="" id="b-" value="-" /> <input type="button" name="" id="b7" value="7" /> <input type="button" name="" id="b8" value="8" /> <input type="button" name="" id="b9" value="9" /> <input type="button" name="" id="bx" value="*" /> <input type="button" name="" id="b0" value="0" /> <input type="button" name="" id="b." value="." /> <input type="button" name="" id="b=" value="=" /> <input type="button" name="" id="b÷" value="÷" /> <span style="line-height: 30px;"> 制作人:xxx 监督人:xxx </span> </div> </div> </body> </html>
CSS部分
* {
margin: 0px;
padding: 0px;
}
/*body {
background: cornflowerblue;
}*/
.box {
width: 260px;
height: 330px;
border: 5px solid cornflowerblue;
margin: 60px auto;
border-radius: 10px;
}
.header {
width: 260px;
height: 80px;
background:lightcyan;
}
.screen {
width: 260px;
height: 40px;
background:lightcyan;
font-size: 25px;
text-align: center;
}
.content {
width: 260px;
height: 250px;
color: yellowgreen;
background: #FAEBD7;
text-align: center;
}
input {
text-align: center;
width: 60px;
height: 40px;
background: pink;
margin-top: 4px;
font-size: 15px;
}
b {
color: fuchsia;
}
JS部分
window.onload = function() {
function $(id) {
return document.getElementById(id);
}
function put1(id){
$(id).onclick = function() {
$("s1").innerHTML = $("s1").innerHTML+this.value;
if ($("s1").innerHTML==116) {
prompt("你爱我吗");
$("s1").innerHTML = "嘻嘻"
}
if ($("s1").innerHTML==1129) {
alert("我爱你");
}
if ($("s1").innerHTML==1314520) {
alert("我爱你");
}
}
}
var result;
$("b=").onclick = function() {
result = eval($("s1").innerHTML);
$("s2").innerHTML = "="+result;
}
$("start").onclick = function() {
$("s1").innerHTML = "欢迎使用";
$("s2").innerHTML = "使用前清零";
$("music").play();
}
$("clear").onclick = function() {
$("s1").innerHTML = "";
$("s2").innerHTML = "";
}
$("stop").onclick = function() {
$("s1").innerHTML = "再见";
setTimeout(function() {
$("s1").innerHTML = "";
$("s2").innerHTML = "";
},3000);
$("music").pause();
}
$("del").onclick = function() {
$("s1").innerHTML = $("s1").innerHTML.substr(0, $("s1").innerHTML.length - 1);
}
put1("b1");
put1("b2");
put1("b3");
put1("b4");
put1("b5");
put1("b6");
put1("b7");
put1("b8");
put1("b9");
put1("b0");
put1("b+");
put1("b-");
put1("bx");
put1("b÷");
put1("b.");
}
更多计算器功能实现，请点击专题： 计算器功能汇总 进行学习
