Programa-o_orientada_obj_2021/q9_substituir_string.html at main · Brunodrc/Programa-o_orientada_obj_2021 · GitHub

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<!DOCTYPE html>
<html lang="pt">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Substituir caractere numa sentença</title>
    <style>
        body {
    background: #e3f2fd;
    font: normal 20pt times;
}
header {
    color: rgb(15, 15, 15);
    text-align: center;
}
div.entrada {
    background: #59c4ee;
    border-radius: 13px;
    padding: 15px;
    width: auto;
    margin: auto;
    text-align: center;
    box-shadow: 5px 5px 10px rgba(0, 0, 0, 0.384);
}
div.saída {
    background: #e0e0e0;
    border-radius: 13px;
    padding: 15px;
    width: auto;
    margin: auto;
    text-align: center;
    box-shadow: 5px 5px 10px rgba(0, 0, 0, 0.384);
}
footer {
    color: black;
    text-align: center;
    font-style: oblique;
}
    </style>
</head>
<body>
    <header><h1>
        Escreva uma frase e indique dois carateres para serem substituidos na frase.
    </h1></header>
    <section>
        <div class="entrada">
            Digite uma frase: <input style="font: normal 20pt times; width: 290px; height: 30px;" id="txtfra">
            <p>Digite o caractere que quer substituir: <input style="font: normal 20pt times; width: 70px; height: 30px;"  id="txtcar1"></p>
            <p>Digite o caractere que ficará no lugar: <input style="font: normal 20pt times; width: 70px; height: 30px;"  id="txtcar2"></p>
            <p><input style="font: normal 20pt times;" type="button" value="Vamos substituir!" onclick="Substituir()"></p>
        </div>
        <div class="saída" id="saida">

        </div>
    </section>
    <section>
        <footer>
            <p>&copy; BrunoCastro </p>
        </footer>
    </section>
</body>
<script>
   function Substituir(){
       const entrada = document.querySelector('input#txtfra')
       const entrada2 = document.querySelector('input#txtcar1')
       const entrada3 = document.querySelector('input#txtcar2')
       let frase = entrada.value
       let carac1 = entrada2.value
       let carac2 = entrada3.value
       let saida = document.querySelector('div#saida')
       let nova_frase = ""
       for(let i = 0;i < frase.length; i+=1){
           if(frase[i] == carac1[0]){
               nova_frase = nova_frase + carac2[0]
           } else {
               nova_frase = nova_frase + frase[i]
           }
       }


       saida.innerHTML = `Frase digitada: ${frase}.`
       saida.innerHTML += `<p> A nova frase: ${nova_frase}.</p>`
   }
</script>
</html>