1 <!DOCTYPE html>
2 <html>
3 <head>
4 <meta charset="utf-8">
5 <title>自制计算器</title>
6 <link href="css/bootstrap.css" rel="stylesheet" />
7 <script src="js/bootstrap.js"></script>
8 <script src=‘F:\JavaScript实例\jquery-1.7.2.js‘></script>
9 <script type="text/javascript">
10 $(function(){
11 var $btn=$("#calc")
12 // 取消已绑定的事件:
13 $btn.off(‘click‘);
14 $btn.click(function() {
15 var x=parseFloat($(‘#x‘).val()),
16 op=$(‘#op‘).val(),
17 y=parseFloat($(‘#y‘).val()),
18 r;
19 r=x+op+y;
20 document.getElementById("result").value=eval(r);
21 // alert(‘计算结果：‘+r);
22 try{
23 if(isNaN(x)||isNaN(y)){
24 throw new Error("输入有误！");
25 }
26 }catch(e){
27 alert("输入有误！"+e);
28 }finally{
29 alert(‘计算结果：‘+x+op+y+"="+eval(r));
30 }
31 });
32
33 //创建过去7天的数组
34 $("#calendar").click(function() {
35 var DateArray=[...Array(7).keys()].map(days=>new Date(Date.now()+86400000*days));
36 console.log(DateArray);
37 alert(DateArray);
38 });
39 //生成随机ID
40 $("#RanNum").click(function() {
41 //生成长度为11的随机字母数字字符串
42 var RanNum=Math.random().toString(36).substring(2);
43 //hg7znok52x
44 console.log(RanNum);
45 alert(RanNum);
46 });
47 //本地时间
48 $("#time").click(function() {
49 var time=setInterval(()=>document.getElementById("timeDiv").innerHTML=new Date().toLocaleString().slice(10,19))
50 });
51 //生成随机十六进制代码（生成随机颜色）如：‘#c618b2‘]
52 $("#RanCode").click(function() {
53 var RanCode=‘#‘+Math.floor(Math.random()*0xffffff).toString(16).padEnd(6,‘0‘);
54 console.log(RanCode);
55 alert(RanCode);
56 });
57 //数组去重
58 $("#arrlist").click(function() {
59 var arr=Array[1,2,2,3,5,6,6,9,8];
60 var arred=[...new Set(arr)];
61 console.log(arred);
62 alert(arred);
63 });
64 //返回一个键盘（惊呆了）
65 //用字符串返回一个键盘图形
66 $("#Graphical").click(function() {
67 // var Graphical=(_=>[..."‘1234567890-=~~QWERTYUIOP[]\\~ASDFGHJKL;‘~~ZXCVBNM,./~"].map(x=>(o+=’/${b=‘_‘.repeat(w=x<y?2:‘ 667699‘[x=["BS","TAB","CAPS","ENTER"][p++]||‘SHIFT‘,p])}\\|‘,m+=y+(x+‘ ‘).slice(0,w)+y+y,n+=y+b+y+y,1+=‘ __‘+b)[73]&&(k.push(l,m,n,o),l=‘‘,m=n=o=y),m=n=o=y=‘|‘,p=l=k=[])&&k.jion‘‘)();
68 });
69 });
70
71 function calcul(){
72
73 }
74 </script>
75 </head>
76 <body>
77 <form>
78 <div id="calculateDiv">
79 <input type="text" id="x" />
80 <select name="option" id="op">
81 <option value="+">+</option>
82 <option value="-">-</option>
83 <option value="*">*</option>
84 <option value="/">/</option>
85 </select>
86 <input type="text" id="y" />
87 =<input type="text" id="result"/>
88 <input class="btn btn-success" type="submit" style="text-align:center;margin:0px auto;font-size:14px;font-family:‘微软雅黑‘" value="计算" id="calc" />
89 </div>
90 </form>
91 <div>
92 <button id="calendar" value="">日历</button>
93 <button id="RanNum" value="">获取随机ID</button>
94 </div>
95 <div>
96 <button id="time" value="">获取本地时间</button>
97 <span id="timeDiv"></span>
98 <button id="RanCode" value="">获取随机颜色代码</button>
99 <button id="arrlist" value="">数组去重</button>
100 <button id="Graphical" value="">返回键盘图形</button>
101 </div>
102 </body>
103 </html>
原文地址：https://www.cnblogs.com/memory-ccy/p/11181641.html
时间： 2024-08-28 20:14:19