diff --git a/ContandoCaracteres.js b/ContandoCaracteres.js
new file mode 100644
index 0000000..e70f625
--- /dev/null
+++ b/ContandoCaracteres.js
@@ -0,0 +1,16 @@
+const frase = prompt('Digite a frase: ');
+const char = prompt('Digite o caractere: ');
+
+const countChars = (frase, c) => {
+  let count = 0;
+  
+  for (let i = 0; i < frase.length; i++) {
+    if (frase[i] === c) {
+      count++;
+    }
+  }
+  
+  return count;
+};
+
+console.log(countChars(frase, char));
diff --git a/DeepEquals.js b/DeepEquals.js
new file mode 100644
index 0000000..841d7e8
--- /dev/null
+++ b/DeepEquals.js
@@ -0,0 +1,18 @@
+function deepEquals(obj1, obj2) {
+    
+    if (Object.keys(obj1).length !== Object.keys(obj2).length) {
+      return false;
+    }
+    
+    for (let prop in obj1) {
+      if (typeof obj1[prop] === "object" && typeof obj2[prop] === "object") {
+        if (!deepEquals(obj1[prop], obj2[prop])) {
+          return false;
+        }
+      } else if (obj1[prop] !== obj2[prop]) {
+        return false;
+      }
+    }
+    return true;
+  }
+  
\ No newline at end of file
diff --git a/Fizzbuzzdiferente.js b/Fizzbuzzdiferente.js
new file mode 100644
index 0000000..7a299b8
--- /dev/null
+++ b/Fizzbuzzdiferente.js
@@ -0,0 +1,13 @@
+const limite = 100;
+
+for (let i = 1; i <= limite; i++) {
+  if (i % 3 === 0 && i % 5 === 0) {
+    console.log('FizzBuzz');
+  } else if (i % 3 === 0) {
+    console.log('Fizz');
+  } else if (i % 5 === 0) {
+    console.log('Buzz');
+  } else {
+    console.log(i);
+  }
+}
diff --git a/FuncaoMatriciais.js b/FuncaoMatriciais.js
new file mode 100644
index 0000000..cda4563
--- /dev/null
+++ b/FuncaoMatriciais.js
@@ -0,0 +1,27 @@
+function createMatrix(rows, cols, matrixFunc) {
+    let matrix = new Array(rows);
+  
+    for (let i = 0; i < rows; i++) {
+      matrix[i] = new Array(cols);
+  
+      for (let j = 0; j < cols; j++) {
+        matrix[i][j] = matrixFunc(i, j);
+      }
+    }
+
+let matrix1 = createMatrix(3, 3, (i, j) => i + j);
+    console.log(matrix1);
+
+let matrix2 = createMatrix(3, 3, (i, j) => i * j);
+    console.log(matrix2);
+
+let matrix3 = createMatrix(3, 3, (i, j) => i == j ? 1 : 0);
+    console.log(matrix3);
+
+let matrix4 = createMatrix(3, 3, (i, j) => i**2 / (j+1));
+    console.log(matrix4);
+
+let matrix5 = createMatrix(3, 3, (i, j) => i > j ? 1 : (i < j ? 5 : 0));
+    console.log(matrix5);
+    return matrix;
+  }
\ No newline at end of file
diff --git a/MaximoMinimo.js b/MaximoMinimo.js
new file mode 100644
index 0000000..cdfb0d1
--- /dev/null
+++ b/MaximoMinimo.js
@@ -0,0 +1,9 @@
+const numa = parseFloat(prompt('Digite um número: '));
+const numb = parseFloat(prompt('Digite o outro número: '));
+
+const min = (a, b) => y < x ? y : x;
+
+const max = (a, b) => y > x ? y : x;
+
+console.log(min(numa, numb));
+console.log(max(numa, numb));
diff --git a/Ordenacao.js b/Ordenacao.js
new file mode 100644
index 0000000..ab1b35a
--- /dev/null
+++ b/Ordenacao.js
@@ -0,0 +1,32 @@
+function bubbleSort(arr, compareFn) {
+    const n = arr.length;
+    let swapped = false;
+    
+    do {
+      swapped = false;
+      for (let i = 0; i < n - 1; i++) {
+        if (compareFn(arr[i], arr[i + 1])) {
+          const temp = arr[i];
+          arr[i] = arr[i + 1];
+          arr[i + 1] = temp;
+          swapped = true;
+        }
+      }
+    } while (swapped);
+    
+    return arr;
+  }
+  function compCresc(a, b) {
+    return a > b;
+  }
+  function compDesc(a, b) {
+    return a < b;
+  }
+  function compCrescAbs(a, b) {
+    return Math.abs(a) > Math.abs(b);
+  }
+  const arr = [3, 1, 4, 1, 5, 9, 2, 6, 5, 3, 5];
+
+console.log(bubbleSort(arr.slice(), compCresc));
+console.log(bubbleSort(arr.slice(), compDesc));
+console.log(bubbleSort(arr.slice(), compCrescAbs));
diff --git a/Recursividade.js b/Recursividade.js
new file mode 100644
index 0000000..29ba31d
--- /dev/null
+++ b/Recursividade.js
@@ -0,0 +1,5 @@
+const num = parseFloat(prompt('Digite o número: '));
+
+const mod2 = (num) => num % 2 === 0;
+
+console.log(mod2(num));
diff --git a/RevertendoArray.js b/RevertendoArray.js
new file mode 100644
index 0000000..8be0309
--- /dev/null
+++ b/RevertendoArray.js
@@ -0,0 +1,7 @@
+function reverse(array) {
+    list = [1,2,3,4,5]
+    var arrayRev = array.reverse()
+    return arrayRev
+}
+
+console.log(reverseArray(list))
\ No newline at end of file
diff --git a/Tabuleiroxadrez.js b/Tabuleiroxadrez.js
new file mode 100644
index 0000000..6684f44
--- /dev/null
+++ b/Tabuleiroxadrez.js
@@ -0,0 +1,13 @@
+const linhas = parseInt(prompt('Quantidade de linhas: '));
+
+for (let i = 0; i < linhas; i++) {
+  let linhaAtual = '';
+
+  if (i % 2 === 0) {
+    linhaAtual = '# # # # ';
+  } else {
+    linhaAtual = ' # # # #';
+  }
+
+  console.log(linhaAtual);
+}
diff --git a/TrabalhandoIntervalos.js b/TrabalhandoIntervalos.js
new file mode 100644
index 0000000..e6890bb
--- /dev/null
+++ b/TrabalhandoIntervalos.js
@@ -0,0 +1,15 @@
+var minimo = num(prompt('Número mínimo: '));
+var maximo = num(prompt('Número máximo: '));
+var intervalo = num(prompt('O intervalo: '));
+
+function range(min, max, interval) {
+  var num = [];
+
+  for (let i = min + 1; i < max; i += interval) {
+    num.push(i);
+  }
+
+  return num;
+}
+
+console.log(range(minimo, maximo, intervalo));
diff --git a/TrabalhandoListas.js b/TrabalhandoListas.js
new file mode 100644
index 0000000..8e8fa1f
--- /dev/null
+++ b/TrabalhandoListas.js
@@ -0,0 +1,11 @@
+function toList(array) {
+    var list = null;
+    for (var i = array.length - 1; i >= 0; i--) {
+      list = {value: array[i], rest: list};
+    }
+    return list;
+  }
+  var array = [1, 2, 3];
+  var list = toList(array);
+  console.log(list);
+  
\ No newline at end of file
diff --git a/Triangulo.js b/Triangulo.js
new file mode 100644
index 0000000..e5b311d
--- /dev/null
+++ b/Triangulo.js
@@ -0,0 +1,9 @@
+const linhas = parseInt(prompt('Quantidade de linhas: '));
+
+for (let i = 0; i < linhas; i++) {
+  let linhaAtual = '';
+  for (let j = 0; j <= i; j++) {
+    linhaAtual += '#';
+  }
+  console.log(linhaAtual);
+}
diff --git a/VerificandoPalindromos.js b/VerificandoPalindromos.js
new file mode 100644
index 0000000..49f2664
--- /dev/null
+++ b/VerificandoPalindromos.js
@@ -0,0 +1,12 @@
+const palavra = prompt('Digite a palavra: ');
+
+function isPalindromo(str) {
+  const strReversa = str.split('').reverse().join('');
+  return str === strReversa;
+}
+
+if (isPalindromo(palavra)) {
+  console.log('É um palíndromo.');
+} else {
+  console.log('Não é um palíndromo.');
+}