diff --git a/JS/AltaOrdem/criptografia.js b/JS/AltaOrdem/criptografia.js
new file mode 100644
index 0000000..e69de29
diff --git a/JS/AltaOrdem/funcMatriciais.js b/JS/AltaOrdem/funcMatriciais.js
new file mode 100644
index 0000000..e69de29
diff --git a/JS/AltaOrdem/ordenacao.js b/JS/AltaOrdem/ordenacao.js
new file mode 100644
index 0000000..e69de29
diff --git a/JS/AltaOrdem/transfString.js b/JS/AltaOrdem/transfString.js
new file mode 100644
index 0000000..e69de29
diff --git a/JS/AltaOrdem/verificNum.js b/JS/AltaOrdem/verificNum.js
new file mode 100644
index 0000000..e69de29
diff --git a/JS/ConceitosB/fizzAndBuzz.js b/JS/ConceitosB/fizzAndBuzz.js
new file mode 100644
index 0000000..3bd5a6c
--- /dev/null
+++ b/JS/ConceitosB/fizzAndBuzz.js
@@ -0,0 +1,16 @@
+function fizzBuzz(){
+    const numMax = 100;
+    for(i = 1; i <= numMax; i++){
+        if(i % 3 == 0 && i % 5 == 0){
+            console.log("FizzBuzz");
+        } else if(i % 5 == 0){
+            console.log("Buzz");
+        } else if(i % 3 == 0){
+            console.log("fizz");
+        } else{
+            console.log(i);
+        }
+    }
+}
+
+fizzBuzz();
\ No newline at end of file
diff --git a/JS/ConceitosB/palindromo.js b/JS/ConceitosB/palindromo.js
new file mode 100644
index 0000000..0a14d74
--- /dev/null
+++ b/JS/ConceitosB/palindromo.js
@@ -0,0 +1,11 @@
+function palindromo(){
+    let palavra = prompt("Digite uma palavra para verificar se é palindromo: ");
+    palavra = palavra.toLocaleLowerCase().replace(/\s/g, '');
+    let arvalap = palavra.split('').reverse().join('');
+    if(palavra === arvalap){
+        console.log("A palavra " + palavra + " é um palíndromo!");
+    } else{
+        console.log("A palavra " + palavra + " não né um palíndromo pos ao contrário fica: " + arvalap);
+    }
+}
+palindromo();
\ No newline at end of file
diff --git a/JS/ConceitosB/triangulo.js b/JS/ConceitosB/triangulo.js
new file mode 100644
index 0000000..0e548d8
--- /dev/null
+++ b/JS/ConceitosB/triangulo.js
@@ -0,0 +1,12 @@
+function triangulo() {
+    let nLinhas = 5;
+    for (i = 0; i < nLinhas; i++) {
+        let linha = "";
+        for (j = 0; j <= i; j++) {
+            linha = linha + "#";
+        }
+        console.log(linha);
+    }
+}
+
+triangulo();
\ No newline at end of file
diff --git a/JS/ConceitosB/xadrez.js b/JS/ConceitosB/xadrez.js
new file mode 100644
index 0000000..0b1d4a6
--- /dev/null
+++ b/JS/ConceitosB/xadrez.js
@@ -0,0 +1,14 @@
+function xadrez(){
+    let quantLinhas = prompt("Digite a quantidade de linhas do xadrez: ");
+    let horizontal = "# # # #";
+
+    for(i = 1; i <= quantLinhas; i++){
+        if(i % 2 == 0){
+            console.log(" " + horizontal);
+        } else{
+            console.log(horizontal);
+        }
+    }
+}
+
+xadrez();
\ No newline at end of file
diff --git a/JS/Functions/contandoChar.js b/JS/Functions/contandoChar.js
new file mode 100644
index 0000000..f2ffdf7
--- /dev/null
+++ b/JS/Functions/contandoChar.js
@@ -0,0 +1,8 @@
+function countChars(frase, c){
+    return frase.split(c).length - 1;
+}
+
+let frase = prompt("Frase: ");
+let c = prompt("Caractere a ser contado: ");
+
+console.log(countChars(frase, c));
\ No newline at end of file
diff --git a/JS/Functions/minAndMax.js b/JS/Functions/minAndMax.js
new file mode 100644
index 0000000..c837e97
--- /dev/null
+++ b/JS/Functions/minAndMax.js
@@ -0,0 +1,21 @@
+function min(a, b){
+    if(a < b){
+        console.log("O menor elemento é: " + a);
+    } else{
+        console.log("O menor elemento é: " + b);
+    }
+}
+
+function max(a, b){
+    if(a > b){
+        console.log("O maior elemento é: " + a);
+    } else{
+        console.log("O maior elemento é: " + b);
+    }
+}
+
+let a = prompt("Digite o num1: ");
+let b = prompt("Digite o num2: ");
+
+min(a, b);
+max(a, b);
\ No newline at end of file
diff --git a/JS/Functions/recursividade.js b/JS/Functions/recursividade.js
new file mode 100644
index 0000000..ce85d92
--- /dev/null
+++ b/JS/Functions/recursividade.js
@@ -0,0 +1,25 @@
+function mod2(number){
+    if (number % 2 === 0) {
+        return true;
+    } else {
+        return false;
+    }
+}
+
+function mod(num, mod){
+    if (num % mod === 0) {
+        return true;
+    }else {
+        return false;
+    }
+}
+
+console.log(mod2(1));
+console.log(mod2(2));
+console.log(mod2(3));
+console.log(mod2(4));
+
+console.log(mod(1, 0));
+console.log(mod(1, 2));
+console.log(mod(10, 5));
+console.log(mod(10, 8));
\ No newline at end of file
diff --git a/JS/ObjArrays/deepEquals.js b/JS/ObjArrays/deepEquals.js
new file mode 100644
index 0000000..733b1d3
--- /dev/null
+++ b/JS/ObjArrays/deepEquals.js
@@ -0,0 +1,31 @@
+function deepEquals(obj1, obj2) {
+    if (typeof obj1 === "object" && typeof obj2 === "object") {
+      if (obj1 === null && obj2 === null)
+        return true;
+  
+      if (obj1 === null || obj2 === null)
+        return false;
+  
+      if (Object.keys(obj1).length !== Object.keys(obj2).length)
+        return false;
+  
+      for (let prop in obj1) {
+        if (!deepEquals(obj1[prop], obj2[prop]))
+          return false;
+      }
+      return true;
+    }
+    return obj1 === obj2;
+  }
+
+  let obj1 = {
+    nome: "Raphael",
+    idade: 30,
+  };
+
+  let obj2 = {
+    nome: "Raphael",
+    idade: 30,
+  };
+
+  console.log(deepEquals(obj1, obj2))
\ No newline at end of file
diff --git a/JS/ObjArrays/intervalos.js b/JS/ObjArrays/intervalos.js
new file mode 100644
index 0000000..3123d7c
--- /dev/null
+++ b/JS/ObjArrays/intervalos.js
@@ -0,0 +1,8 @@
+function range(min, max) {
+    let array = [];
+    for (i = min; i <= max; i++) {
+        array.push(i);
+    }
+    return array
+}
+console.log(range(1, 20));
\ No newline at end of file
diff --git a/JS/ObjArrays/listas.js b/JS/ObjArrays/listas.js
new file mode 100644
index 0000000..25f8deb
--- /dev/null
+++ b/JS/ObjArrays/listas.js
@@ -0,0 +1,10 @@
+function reverseArray(array){
+    let reversed = [];
+    for(let i = 0; i < array.length; i++){
+        reversed.push(parseInt(array[array.length - (i + 1)]));
+    }
+    return reversed;
+}
+
+let seq = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
+console.log(reverseArray(seq));
\ No newline at end of file
diff --git a/JS/ObjArrays/revertArray.js b/JS/ObjArrays/revertArray.js
new file mode 100644
index 0000000..0a1b1df
--- /dev/null
+++ b/JS/ObjArrays/revertArray.js
@@ -0,0 +1,12 @@
+function reverseArray(array){
+    let reversed = [];
+
+    for(let i = 0; i < array.length; i++){
+        reversed.push(parseInt(array[array.length - (i + 1)]));
+    }
+    
+    return reversed;
+}
+
+let array = [1, 2, 3, 4, 5];
+console.log(reverseArray(array));
\ No newline at end of file