By GokiSoft.com|
19:34 23/10/2023|
Học JS
In tam giá * trong Javascript - in tam giác hình * trong Javascript - in tam giác hình sao trong Javascript
Sinh ngẫu nhiên 1 số tự nhiên N trong Javascript
Thực hiên in hình tam giác như hình sau
*
* *
* * *
* * * *
* * * * *
Ví dụ: với N = 5
Tags:
Phản hồi từ học viên
5
(Dựa trên đánh giá ngày hôm nay)
![Trần Văn Lâm [T2008A]](https://www.gravatar.com/avatar/cfc15c8cb7781ad669b013e01f9f1a6b.jpg?s=80&d=mm&r=g)
Trần Văn Lâm
2020-10-18 02:29:02
#tamgiac.html
<!DOCTYPE html>
<html>
<head>
<title>JSSS</title>
</head>
<body>
<script type="text/javascript">
var n = prompt('Nhap gia tri n:')
var i;
for(var i = 1; i <= n; i++){
var j;
for(j = 0; j < i; j++){
document.write('*')
}document.write('</br')
}
</script>
</body>
</html>
![Triệu Văn Lăng [T2008A]](https://www.gravatar.com/avatar/1348e3562c6492c26f796cb1f45982a1.jpg?s=80&d=mm&r=g)
Triệu Văn Lăng
2020-10-17 09:06:45
#tamgiac(1604).html
<!DOCTYPE html>
<html>
<head>
<title>Tam giac hinh sao</title>
</head>
<body>
<script type="text/javascript">
var n;
n=prompt("nhap chieu cao cua tam giac");
for (var i = 1; i <=n; i++) {
for (var j = 0; j < i; j++) {
document.write(" * ")
} document.write("<br/>")
}
</script>
</body>
</html>
![hainguyen [T2008A]](https://www.gravatar.com/avatar/32855ce6db55d60134d830aee06b41e5.jpg?s=80&d=mm&r=g)
hainguyen
2020-10-16 13:46:01
#java2.html
<!DOCTYPE html>
<html>
<head>
<title>Bot</title>
</head>
<body>
<script type="text/javascript">
a = prompt('Nhap a')
for(i = 1 ;i <= a ;i++ ){
for( j = 0; j < i; j++){
document.write('*')
}document.write('<br/>')
}
</script>
</body>
</html>
![Nguyễn Xuân Mai [T2008A]](https://www.gravatar.com/avatar/d3d863d6f47708501814fb41e9c38f31.jpg?s=80&d=mm&r=g)
Nguyễn Xuân Mai
2020-10-16 03:52:42
<!DOCTYPE html>
<html>
<head>
<title>In tam giac</title>
</head>
<body>
<script type="text/javascript">
a = prompt("Nhap a")
for (i = 1; i <= a; i++) {
for(j=0; j<i; j++){
document.write('*')
}document.write('</br>')
}
</script>
</body>
</html>
![Do Trung Duc [T2008A]](https://www.gravatar.com/avatar/2973ac07124f066b4605c535e8d39a99.jpg?s=80&d=mm&r=g)
Do Trung Duc
2020-10-15 13:18:56
<!DOCTYPE html>
<html>
<head>
<title></title>
</head>
<body>
<script type="text/javascript">
var S,N,a,i;
N=prompt('Nhap N')
a='*'
S = ''
for(i=1;i<=N;i++){
S = S + a;
document.write(S + '<br/>')
}
</script>
</body>
</html>
![Trần Thị Khánh Huyền [T2008A]](https://www.gravatar.com/avatar/554e115833778e4294a01aebe228f3d6.jpg?s=80&d=mm&r=g)
Trần Thị Khánh Huyền
2020-10-15 09:23:03
#sao.html
<!DOCTYPE html>
<html>
<head>
<title>tamGiacHinhSao</title>
<meta charset="utf-8">
</head>
<body>
<h1>Welcome to learn Javascript</h1>
<script type="text/javascript">
var N = prompt("Enter N:",0);
for(var k =1; k <=N; k++){
for(var i = 1; i<=k; i++) {
document.write("*")
}document.write('<br/>');}
</script>
</body>
</html>
![Nguyễn Tiến Đạt [T2008A]](https://www.gravatar.com/avatar/b5819cd0adc95c727c7ad0c2bcf6098b.jpg?s=80&d=mm&r=g)
Nguyễn Tiến Đạt
2020-10-14 14:53:04
#tamgiac.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>In hình tam giác</title>
</head>
<body>
<script type="text/javascript">
document.write('Bài toán in hình tam giác' + '<br><br>')
N=prompt('Nhập N:');
for(i=1;i<=N;i++){
for(j=0;j<i;j++){
document.write('* ')
}
document.write('<br><br>')
}
</script>
</body>
</html>
![Đức Sơn [T2008A]](https://www.gravatar.com/avatar/d2b971b7bc54e4a9689c3e2240f27949.jpg?s=80&d=mm&r=g)
Đức Sơn
2020-10-14 13:18:40
#js1.html
<!DOCTYPE html>
<html>
<head>
<title>Js </title>
<meta charset="utf-8">
</head>
<body>
<script type="text/javascript">
var N=prompt('Nhap N:')
N= parseInt (N)
for (i=0;i<=i;j++) {
for (j=0;j<=i;j++) {
document.writeln("*")
}
document.writeln("<br/>")
}
</script>
</body>
</html>
![Nguyên Phấn Đông [T2008A]](https://www.gravatar.com/avatar/c9c4f8f79ce35b9224637b6cc5fbe5c4.jpg?s=80&d=mm&r=g)
Nguyên Phấn Đông
2020-10-14 09:57:38
<!DOCTYPE html>
<html>
<head>
<title>In tam giac</title>
<meta charset="utf-8">
</head>
<body>
<script type="text/javascript">
var N= prompt('Nhap N:');
N = parseInt(N)
for(i=0;i<N;i++) {
for(j=0;j<=i;j++) {
document.writeln(" * ")
}
document.writeln("<br/>")
}
</script>
</body>
</html>
![Nguyễn Hữu Hiếu [T2008A]](https://www.gravatar.com/avatar/ca2884508b617fee77f000c7d99c219d.jpg?s=80&d=mm&r=g)
Nguyễn Hữu Hiếu
2020-10-14 09:32:26
#1604.html
<!DOCTYPE html>
<html>
<head>
<title>Java script</title>
</head>
<body>
<script type="text/javascript">
var a = prompt("Nhap N = ");
var show = '';
for (var i = 1; i <= a; i++) {
for (var j = 1; j <= i; j++) {
document.write('*');
}
document.write('<br>');
}
</script>
</body>
</html>