1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
| "use strict";
var out = prompt("请输入行数：")
console.log(san(out))
function san(a) {
document.write("<br/>219970525-孙薇");
document.write("<br/>");
for (let i = 0; i < a; i++) {
for (let j = i; j < a - 1; j++) {
document.write(" ")
}
for (let j = 0; j <= i; j++) {
document.write("*")
document.write(" ")
}
document.write("<br>")
}
document.write("<br/>");
for (let i = 0; i < a; i++) {
for (let j = 0; j < a - i; j++) {
document.write(" ")
}
for (let k = 0; k < 5; k++) {
document.write("* ")
}
document.write("<br>")
}
document.write("<br/>");
for (let i = 1; i <= 3; i++) {
for (let j = 1; j <= 3 - i; j++) {
document.write(" ")
}
for (let j = 1; j <= i; j++) {
document.write("*   ")
}
document.write("<br>")
}
for (let i = 1; i <= 3; i++) {
for (let j = 1; j <= i; j++) {
document.write(" ")
}
for (let j = 1; j <= 3 - i; j++) {
document.write("*   ")
}
document.write("<br>")
}
}
|
