JQuery第一章js 上机+课后

zoukankan html css js c++ java

JQuery第一章js 上机+课后
1. =============上机1 包含字母
2. <!DOCTYPE html>
3. <html>
4. <head>
5. <title>sj1.html</title>
7. <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
8. <meta http-equiv="description" content="this is my page">
9. <meta http-equiv="content-type" content="text/html; charset=UTF-8">
11. 
12. <script type="text/javascript">
13. document.write("在以下字符中：");
14. var count=0;
15. var fruit=["America","Greece","Britain","Canxda","China","Egypt"];
16. for(var i in fruit){
17. document.write(fruit[i]+"<br/>");
18. if(fruit[i].indexOf("a")!=-1||fruit[i].indexOf("A")!=-1){
19. count++;
20. }
21. }
22. document.write("共有"+count+"字符串中包含a或A");
23. </script>
24. </head>
26. <body>
28. </body>
29. </html>
32. ================
1. ===============上机2‘程序调试
2. <!DOCTYPE html>
3. <html>
4. <head>
5. <title>sj2.html</title>
7. <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
8. <meta http-equiv="description" content="this is my page">
9. <meta http-equiv="content-type" content="text/html; charset=UTF-8">
11. 
12. <script type="text/javascript">
13. var t=prompt("请输入一个整数","");
14. if(t<=24){
15. if(t>=12&&t<=18){
16. document.write("下午好，歡迎來到貴美");
17. }else if(t>=19&&t<=23){
18. document.write("晚上好，歡迎來到貴美");
19. }else{
20. document.write("上午好，歡迎來到貴美");
21. }
22. }else{
23. document.write("你輸入的時間不對")};
24. </script>
25. </head>
27. <body>
29. </body>
30. </html>
31. ==================’
1. =============上机3 小型计算器
2. <!DOCTYPE html>
3. <html>
4. <head>
5. <title>sj3.html</title>
7. <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
8. <meta http-equiv="description" content="this is my page">
9. <meta http-equiv="content-type" content="text/html; charset=UTF-8">
11. 
12. <script type="text/javascript">
13. var o1=prompt("請輸入第一個數","");
14. var o2=prompt("請輸入第2個數","");
15. var ys=prompt("請輸入運算符","");
16. var p1=parseInt(o1);
17. var p2=parseInt(o2);
18. switch(ys){
19. case "+":
20. var result=p1+p2;
21. alert(p1+"+"+p2+"="+result);
22. break;
23. case "-":
24. var result=p1-p2;
25. alert(p1+"-"+p2+"="+result);
26. break;
27. case "*":
28. var result=p1*p2;
29. alert(p1+"*"+p2+"="+result);
30. break;
31. case "/":
32. var result=p1/p2;
33. alert(p1+"/"+p2+"="+result);
34. break;
35. }
37. </script>
38. </head>
40. <body>
42. </body>
43. </html>
44. ===================
1. =================上机4计算科目分数
2. <!DOCTYPE html>
3. <html>
4. <head>
5. <title>sj4.html</title>
7. <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
8. <meta http-equiv="description" content="this is my page">
9. <meta http-equiv="content-type" content="text/html; charset=UTF-8">
11. 
12. <script type="text/javascript">
13. var sum=0;
14. var p1=prompt("請輸入考試科目數量","");
15. if(p1==0||p1<0){
16. alert("輸入的考试科目无效");
17. }else if(isNaN(p1)){
18. alert("输入的不是数字");
19. }
20. else{
21. for(var i=1;i<=p1;i++){
22. var score=prompt("请输入第"+i+"门科目成绩","");
23. if(score<0){
24. alert("成绩不能是负数");
25. break;
26. }else if(isNaN(score)){
27. alert("成绩必须是数字");
28. break;
29. }else
30. sum+=parseFloat(score);
31. }
33. }
34. if(sum!=0)
35. alert(p1+"门科目的总成绩是："+sum);
38. </script>
39. </head>
41. <body>
42. </body>
43. </html>
44. ================
1. ======课后3打印金字塔直线
2. <!DOCTYPE html>
3. <html>
4. <head>
5. <title>kh3.html</title>
7. <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
8. <meta http-equiv="description" content="this is my page">
9. <meta http-equiv="content-type" content="text/html; charset=UTF-8">
11. 
13. <script type="text/javascript">
14. document.write("<h3>打印倒正金字塔直线");
15. var i=61;
16. while(i>0){
18. document.write("<hr width="+i+"%/>");
19. i=i-10;
20. }
21. for(var j=0;j<70;j=j+10){
22. document.write("<hr width="+j+"%/>");
23. }
24. </script>
25. </head>
27. <body style="text-align:center;">
29. </body>
30. </html>
31. =======
1. ================课后4邮箱地址
2. <!DOCTYPE html>
3. <html>
4. <head>
5. <title>ke4.html</title>
7. <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
8. <meta http-equiv="description" content="this is my page">
9. <meta http-equiv="content-type" content="text/html; charset=UTF-8">
11. 
12. <script type="text/javascript">
13. var email=prompt("请输入正确的邮箱地址：","sususan@show.com");
14. var index=email.indexOf("@");
15. if(index!=-1&&email.indexOf(".")!=-1){
16. if(index==0){
17. alert("邮箱名称不能为空");
18. }else{
20. var name=email.substring(0, index);
21. alert("邮箱地址正确，邮箱名称是："+name);
22. }
23. }
24. else{
26. alert("邮箱地址必须含有@和.");
27. }
29. </script>
30. </head>
32. <body>
34. </body>
35. </html>
36. ============
查看全文

相关阅读:
Codeforces 1129D Isolation dp + 分块（看题解）
Codeforces 1129C Morse Code dp
bzoj 4119 后缀数组 + 并查集
 Codeforces 204E Little Elephant and Strings 后缀数组 + 并查集
 HDU
HDU 6125 Free from square dp （看题解）
Codeforces 913F Strongly Connected Tournament dp(看题解）
Codeforces 1187F Expected Square Beauty （看题解）
读《大道至简》第五章有感
 第六周课后作业

原文地址：https://www.cnblogs.com/SFHa/p/9247866.html