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Douglas1688
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Primer commit de Clase JS
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‎clase_1/clase_1.html‎

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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<script src="clase_1.js"></script>
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<title>Document</title>
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</head>
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<body>
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</body>
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</html>

‎clase_1/clase_1.js‎

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// let num = 5;
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// console.log(num*5)
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let palabra = "Hola mundo ";
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// alert(palabra.length);
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// alert(palabra.toLowerCase());
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// alert(palabra.toUpperCase());
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// alert(palabra.indexOf('mundo'));
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// alert(palabra.replace('mundo','Douglas'));
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// alert(palabra.substring(5));
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// alert(palabra.slice(-1));
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// alert(palabra.trim());
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// alert(palabra.startsWith('m',5));
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// alert(palabra.endsWith(' '))
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// alert(palabra.includes('o',-1))
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// alert('osi'.repeat(20));
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let nombre ,apellido, edad;
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nombre = 'Juan';
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apellido = 'Gómez';
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edad = 20;
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alert(`Hola ${nombre} ${apellido}`);
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alert(`Tienes ${edad} años.`);

‎clase_2/clase_2.html‎

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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<script src="clase_2.js"></script>
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<title>Document</title>
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</head>
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<body>
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</body>
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</html>

‎clase_2/clase_2.js‎

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console.log(Math.E);
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console.log(Math.PI);
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let num = 5.9
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console.log(Math.abs(num));
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console.log(Math.ceil(num));
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console.log(Math.floor(num));
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console.log(Math.pow(3,3));
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console.log(Math.random()*20);
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console.log(Math.round(Math.random()*20));
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console.log(Math.round(Math.random()*(100-50)+50));
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console.log(Math.sign(-3));
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console.log(Math.sqrt(36));

‎clase_3/clase_3.html‎

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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<script src="clase_3.js"></script>
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<title>Document</title>
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</head>
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<body>
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</body>
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</html>

‎clase_3/clase_3.js‎

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let num = 5;
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if (num <3){
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console.log("El número es menor que 3.");
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}else{
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console.log("El número es mayor que 3");
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}

‎clase_4/index.html‎

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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Document</title>
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</head>
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<body>
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<div id="numbers"></div>
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<div id="result"></div>
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<script src="script.js"></script>
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</body>
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</html>

‎clase_4/script.js‎

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const numbers = document.getElementById('numbers');
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const result = document.getElementById('result');
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let a = prompt('Introduzca el primer número: ');
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let b = prompt('Introduzca el segundo número: ');
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let c = prompt('Introduzca el tercer número: ');
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numbers.textContent = `Los números introducidos son ${a}, ${b}, ${c}`;
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if(a>b && a>c){
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if(b>c){
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result.textContent = `El orden es ${a}, ${b},${c}`
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}else{
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result.textContent = `El orden es ${a}, ${c},${b}`
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}
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}
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if(b>a&&b>c){
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if(a>c){
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result.textContent = `El orden es ${b}, ${a},${c}`
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}else{
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result.textContent = `El orden es ${b}, ${c},${a}`
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}
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}
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if(c>a&&c>b){
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if(a>b){
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result.textContent = `El orden es ${c}, ${a},${b}`
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}else{
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result.textContent = `El orden es ${c}, ${b},${a}`
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}
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}

‎clase_5/index.html‎

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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<script src="script.js"></script>
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<title>Document</title>
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</head>
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<body>
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</body>
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</html>

‎clase_5/script.js‎

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let num = 1;
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switch (num){
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case 1:
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console.log("Ha escogido la opción 1");
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break;
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case 2:
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console.log("Ha escogido la opción 2");
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break;
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default:
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console.log("Ninguna opción válida");
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}

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