Typescript Loop

//segitiga sama sisi (bil ganjil)
{
  let ganjil = 1;

  const no1 = (n: number) => {
    for (let i = 1; i <= n; i++) {
      let row = " ";
      let str = ganjil + " ";
      let cetak = row.repeat(n - i) + str.repeat(i);
      console.log(cetak);
      ganjil += 2;
    }
  };
  no1(5);
}

//segitiga sama sisi terbalik (bil ganjil)
{
  let ganjil = 1;

  const no2 = (n: number) => {
    for (let i = n; i >= 1; i--) {
      let start = " ";
      let space = start.repeat(n - i);
      let result = (ganjil + start).repeat(i);
      console.log(space, result);
      ganjil += 2;
    }
  };
  no2(5);
}

//segitiga siku-siku (abjad kecil)
{
  let charCode = 97;
  const no3 = (n: number) => {
    for (let i = 1; i <= n; i++) {
      let result = String.fromCharCode(charCode).repeat(i);
      console.log(result);
      charCode++;
    }
  };
  no3(5);
}

//diagonal kiri atas ke kanan bawah (abjad besar)
{
  const no4 = (n: number) => {
    let charcode = 65;

    for (let i = 0; i <= n; i++) {
      let space = " ";
      console.log(space.repeat(i) + String.fromCharCode(charcode));
      charcode++;
    }
  };

  no4(5);
}

//diagonal kanan atas ke kiri bawah (bil ganjil)
{
  let ganjil = 1;

  const no5 = (n: number) => {
    for (let i = 0; i <= n; i++) {
      let space = " ";
      console.log(space.repeat(n - i) + ganjil);
      ganjil += 2;
    }
  };
  no5(5);
}

//diagonal kiri dan kanan (abjad kecil dan bilangan genap)
{
  const no6 = (jumlah: number) => {
    let charCode = 97;
    let num = 2;
    let start = 1;
    let end = jumlah;
    let x = "";
    for (let i = 1; i <= jumlah; i++) {
      for (let j = 1; j <= jumlah; j++) {
        if (j == start) {
          x += String.fromCharCode(charCode);
        } else if (j == end) {
          x += num;
        } else {
          x += " ";
        }
      }
      x += "\n";
      charCode++;
      num++;
      start++;
      end--;
    }
    console.log(x);
  };
  no6(5);
}

//segitiga siku-siku terbalik (huruf abjad kecil)
{
  let charCode = 97;

  const no7 = (n: number) => {
    for (let i = 0; i <= n; i++) {
      console.log(String.fromCharCode(charCode).repeat(n - i));
      charCode++;
    }
  };

  no7(5);
}

//segitiga siku-siku (bil genap)
{
  let genap = 0;

  const no8 = (n: number) => {
    for (let i = 1; i <= n; i++) {
      let str = genap + " ";
      let cetak = str.repeat(i);
      console.log(cetak);
      genap += 2;
    }
  };
  no8(5);
}

//segitiga siku-siku terbalik (bil ganjil)
{
  let ganjil = 1;

  const soal9 = (n: any) => {
    for (let i = n; i >= 1; i--) {
      let row = " " + ganjil;
      let cetak = row.repeat(i);
      console.log(cetak);
      ganjil += 2;
    }
  };

  soal9(5);
}