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Merge pull request #5587 from TofeDev/r01js
#1 - JavaScript
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Roadmap/01 - OPERADORES Y ESTRUCTURAS DE CONTROL/javascript/TofeDev.js
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//Asignaciones | ||
let a = 200 | ||
let b = 40 | ||
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//Operadores aritméticos | ||
suma = a + b | ||
console.log("Suma a + b: " + suma) | ||
resta = a - b | ||
console.log("Resta a - b: " + resta) | ||
multiplicacion = a * b | ||
console.log("Multiplicación a * b: " + multiplicacion) | ||
division = a / b | ||
console.log("División a / b: " + division) | ||
resto = a % b | ||
console.log("Resto a % b: " + resto) | ||
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//Asignación compuesta | ||
suma += a | ||
console.log("suma = suma + a: " + suma) | ||
resta -= a | ||
console.log("resta = resta - a: " + resta) | ||
multiplicacion *= a | ||
console.log("multiplicacion = multiplicacion * a: " + multiplicacion) | ||
division /= a | ||
console.log("division = division / a: " + division) | ||
resto %= a | ||
console.log("resto = resto % a: " + resto) | ||
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//Operadores lógicos | ||
AND = (a < b) && (b === 0) | ||
console.log("¿Es a menor que b, Y b igual a 0?: " + AND) | ||
OR = (a > b) || (b === 0) | ||
console.log("¿Es a mayor que b, O b igual a 0?: " + OR) | ||
NOT = !(a < b) | ||
console.log("Negación a menor que b: " + NOT) | ||
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//Operadores de comparación | ||
igual = (a === b) | ||
console.log("Es igual: " + igual) | ||
distinto = (a !== b) | ||
console.log("Es distinto: " + distinto) | ||
mayor = (a > b) | ||
console.log("Es mayor: " + mayor) | ||
mayorIgual = (a >= b) | ||
console.log("Es mayor o igual: " + mayorIgual) | ||
menor = (a < b) | ||
console.log("Es menor: " + menor) | ||
menorIgual = (a <= b) | ||
console.log("Es menor o igual: " + menorIgual) | ||
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//Estructuras condicionales | ||
//IF - ELSE | ||
let edad = 18 | ||
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if (edad >= 18) { | ||
console.log("Eres mayor de edad") | ||
} else { | ||
console.log("Eres menor de edad") | ||
} | ||
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// IF ELSE | ||
if (edad > 18) { | ||
console.log("Eres mayor de edad") | ||
} else if (edad === 18) { | ||
console.log("Tienes la edad justa") | ||
} else { | ||
console.log("Eres menor de edad") | ||
} | ||
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//SWITCH | ||
let comision = "A" | ||
switch (comision) { | ||
case 'A': | ||
console.log("Eres de la comisión A") | ||
break; | ||
case "B": | ||
console.log("Eres de la comisión B") | ||
break; | ||
case "C": | ||
console.log("Eres de la comisión C") | ||
break; | ||
default: | ||
console.log("Comisión inválida") | ||
} | ||
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//Estructuras iterativas | ||
let num = 200 | ||
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// FOR | ||
for (i = 1; i <= 5; i++) { | ||
num+=2 | ||
console.log(num) | ||
} | ||
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//WHILE | ||
while (num < 300) { | ||
num+=5 | ||
console.log(num) | ||
} | ||
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// DO WHILE | ||
do { | ||
num+=10 | ||
console.log(num) | ||
} while (num < 350); | ||
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// Try catch | ||
try { | ||
let divError = 5 / 0; | ||
console.log("Resultado: ", divError); | ||
} catch (error) { | ||
console.log("Error: ", error.message); | ||
} finally { | ||
console.log("Se finalizó la ejecución, con error o no"); | ||
} | ||
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/* DIFICULTAD EXTRA (opcional): | ||
* Crea un programa que imprima por consola todos los números comprendidos | ||
* entre 10 y 55 (incluidos), pares, y que no son ni el 16 ni múltiplos de 3. | ||
* | ||
* Seguro que al revisar detenidamente las posibilidades has descubierto algo nuevo. | ||
*/ | ||
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for (i = 10; i <= 55; i++) { | ||
if ((i % 2 == 0) && (i !== 16) &&(i % 3 !== 0)) { | ||
console.log(i) | ||
} | ||
} |