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Desafio dos números
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desafios/d003/des_numeros.html

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<!DOCTYPE html>
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<html lang="pt-BR">
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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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<link rel="stylesheet" href="../Css/pattern.css">
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<title>Desafio 03 - Sucessor e antecessor</title>
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</head>
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<body>
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<h1> <span>&#x1F9EE;</span> Sucessor e Antecessor</h1>
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<button onclick="numeros();">Clique aqui para começar</button>
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<script src="des_numeros.js"></script>
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</body>
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</html>

desafios/d003/des_numeros.js

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function numeros(){
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let num = parseInt(prompt("Digite um número inteiro qualquer!"));
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alert(`Antes de ${num} temos o número ${num-1}. \nDepois de ${num} temos o número ${num+1}. `);
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}

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