Merge pull request mouredev#7244 from ssanjua/01_js

#1 - JavaScript

Author: kontroldev

Roadmap/01 - OPERADORES Y ESTRUCTURAS DE CONTROL/javascript/ssanjua.js

@@ -0,0 +1,72 @@
+const dato = 5;
+let a = 2;
+let b = 10;
+let algo = null;
+
+// Operadores aritmeticos
+console.log({ suma: 2 + 2 });
+console.log({ resta: 2 - 1 });
+console.log({ multiplicacion: 2 * 2 });
+console.log({ division: 6 / 3 });
+console.log({ modulo: 10 % 2 });
+
+// Operadores logicos
+console.log({ or: 2 || 4 });
+console.log({ and: true && (dato <= 2) });
+console.log({ not: !false });
+
+// Operadores de asignacion
+console.log((a += b)); // 12
+console.log((a -= b)); // 2
+console.log((a *= b)); // 20
+console.log((a /= b)); // 2
+console.log((a %= b)); // 2
+console.log((a &= b)); // 2
+console.log((a ^= b)); // 8
+console.log((a |= b));  //10
+console.log((a &&= b)); // 10
+console.log((a ||= b)); // 10
+console.log((a ??= b)); // 10
+
+// Operadores de comparacion
+console.log({ igual: 2 == 2 })
+console.log({ estrictamenteIgual: 2 === '2' });
+console.log({ desigual: 2 != '2' });
+console.log({ estrictamenteDesigual: 2 !== 4 });
+console.log({ mayorQue: 10 > 4 });
+console.log({ menorQue: 5 < 9 });
+console.log({ mayorOIgual: 10 <= 5 });
+console.log({ menorOIgual: 7 <= 9 });
+
+// Operadores de tipo
+console.log("typeof a :", typeof a);
+console.log("typeof 'name' :", typeof 'name');
+let text = new String('Hello');
+let num = new Number(28);
+console.log("instanceof Number :", (num instanceof Number));
+console.log("instanceof String :", (text instanceof String));
+
+// Operador ternario
+const age = (a + b) >= 18 ? 'yes' : 'no';
+console.log(age);
+
+// Operador de propagacion
+const array = [2, 29, 99, 103];
+const newArr = [...array, 1000, 2999];
+console.log(newArr);
+
+// Falsy
+console.log(algo ?? "nada");
+
+
+// Extra
+function extra() {
+  for (let i = 10; i <= 55; i++) {
+    if (i % 2 == 0 && i != 16 && i % 3 != 0) {
+      console.log(i);
+    }
+  }
+};
+
+extra();
+