davidpinto1979/conversor-de-temperaturas-v1-0.markdown

## conversor-de-temperaturas-v1-0.markdown

      
    Raw
  

              conversor-de-temperaturas-v1-0.markdown
            
          
    Conversor de temperaturas v1.0

A Pen by David Pinto on CodePen.
License.

  
## index.html
<html>

<head>
  <title>
    Imersão Dev - Aula 01
  </title>
</head>

<body>
  <div class="container">
    <h1 class="page-title">
      Conversor de temperaturas
    </h1>
    <p class="page-subtitle">
      Converter Fahreneit para Celsius
    </p>
    <img src="https://www.alura.com.br/assets/img/imersoes/dev-2021/logo-imersao-conversor-de-moedas.svg" class="page-logo" alt="">
    <p>
      <hr>
    </p>
    <form>
      <table id="tabelaCelsFahr">

        <thead>
          <tr>
            <th colspan="2">Fahrenheit -> Celsius</th>
          </tr>
        </thead>

        <tr>
          <td><label>Fahrenheit</label></td>
          <td><input id="idFahr" type="text" /></td>
        </tr>

        <tr>
          <td></td>
          <td><input id="botaoCalcular" type="button" value="Calcular" onclick="CelsFarh()" class="button" /></td>
        </tr>

        <tr>
          <td><label>Celsius</label></td>
          <td>
            <p id="pCels"></p>
          </td>
        </tr>

        <tr>
          <td></td>
          <td><input id="botaoNovo" input type="reset" value="Novo Cálculo" class="button" /></td>
        </tr>

      </table>
    </form>

  </div>
  <a href="https://alura.com.br/" target="_blank">
    <img src="https://www.alura.com.br/assets/img/home/alura-logo.svg" alt="" class="alura-logo">
  </a>

</body>

</html>

## script.js
function CelsFarh() {
  // 1.Declarar variaveis
  var fahr, cels;

  // 2.Atribuir valores às variaveis
  fhar = document.getElementById("idFahr").value;

  // 3. Ver se os inputs sao numeros
  if (isNaN(fhar) || fhar == "") {
    cels = "ERRO! Introduza número.";
  }
  // 3.1 Calcular resultado
  else {
    cels = (parseInt(fhar) - 32) * 0.5556;
    cels = cels.toFixed(2);
  }

  // 3.2 Usar variavel resultado para erro

  // 4. Escrever o resultado no paragrafo
  document.getElementById("pCels").innerHTML = cels;
}

## style.css
body {
  font-family: "Roboto Mono", monospace;
  min-height: 400px;
  background-image: url("https://images.unsplash.com/photo-1560977501-7cb367eccebe?ixlib=rb-1.2.1&ixid=MXwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHw%3D&auto=format&fit=crop&w=1850&q=80");
  background-color: #000000;
  background-size: 100vh;
  background-position: center bottom;
  background-repeat: no-repeat;
}

.container {
  text-align: center;
  padding: 20px;
  height: 100vh;
}

.page-title {
  color: #ffffff;
  margin: 0 0 5px;
}

.page-subtitle {
  color: #ffffff;
  margin-top: 5px;
}

.page-logo {
  width: 200px;
}

.alura-logo {
  width: 40px;
  position: absolute;
  top: 10px;
  right: 10px;
}

#tabelaCelsFahr {
  margin-left: auto;
  margin-right: auto;
  border-collapse: collapse;
  border: 2px solid black;
  width: 300px;
}

#tabelaCelsFahr tr {
  height: 30px;
}

/*Título tabela: tipo letra, tamanho, alinhamento*/
#tabelaCelsFahr thead {
  /*font-family: Verdana;*/
  font-size: 20px;
  text-align: center;
  color: white;
  background-color: black;
  font-weight: bold;
}

/*1ª coluna: tipo letra, tamanho, cor da letra e do fundo*/
#tabelaCelsFahr td:nth-child(1) {
  /*font-family: Arial;*/
  font-size: 16px;
  color: white;
  background-color: black;
  text-align: center;
  padding-left: 10px;
  padding-right: 10px;
}

#tabelaCelsFahr input[type="text"] {
  width: 192px;
}

#tabelaCelsFahr .button {
  border: 1px solid black;
  padding: 10px 15px;
  text-align: center;
  font-size: 12px;
  transition-duration: 0.4s;
  width: 200px;
}

#tabelaCelsFahr .button:hover {
  background-color: deepskyblue;
  font-weight: bold;
}

#pCels {
  background-color: white;
  font-weight: bold;
}
	<html>

	<head>
	<title>
	Imersão Dev - Aula 01
	</title>
	</head>

	<body>
	<div class="container">
	<h1 class="page-title">
	Conversor de temperaturas
	</h1>
	<p class="page-subtitle">
	Converter Fahreneit para Celsius
	</p>
	<img src="https://www.alura.com.br/assets/img/imersoes/dev-2021/logo-imersao-conversor-de-moedas.svg" class="page-logo" alt="">
	<p>
	<hr>
	</p>
	<form>
	<table id="tabelaCelsFahr">

	<thead>
	<tr>
	<th colspan="2">Fahrenheit -> Celsius</th>
	</tr>
	</thead>

	<tr>
	<td><label>Fahrenheit</label></td>
	<td><input id="idFahr" type="text" /></td>
	</tr>

	<tr>
	<td></td>
	<td><input id="botaoCalcular" type="button" value="Calcular" onclick="CelsFarh()" class="button" /></td>
	</tr>

	<tr>
	<td><label>Celsius</label></td>
	<td>
	<p id="pCels"></p>
	</td>
	</tr>

	<tr>
	<td></td>
	<td><input id="botaoNovo" input type="reset" value="Novo Cálculo" class="button" /></td>
	</tr>

	</table>
	</form>

	</div>
	<a href="https://alura.com.br/" target="_blank">
	<img src="https://www.alura.com.br/assets/img/home/alura-logo.svg" alt="" class="alura-logo">
	</a>

	</body>

	</html>
	function CelsFarh() {
	// 1.Declarar variaveis
	var fahr, cels;

	// 2.Atribuir valores às variaveis
	fhar = document.getElementById("idFahr").value;

	// 3. Ver se os inputs sao numeros
	if (isNaN(fhar) \|\| fhar == "") {
	cels = "ERRO! Introduza número.";
	}
	// 3.1 Calcular resultado
	else {
	cels = (parseInt(fhar) - 32) * 0.5556;
	cels = cels.toFixed(2);
	}

	// 3.2 Usar variavel resultado para erro

	// 4. Escrever o resultado no paragrafo
	document.getElementById("pCels").innerHTML = cels;
	}
	body {
	font-family: "Roboto Mono", monospace;
	min-height: 400px;
	background-image: url("https://images.unsplash.com/photo-1560977501-7cb367eccebe?ixlib=rb-1.2.1&ixid=MXwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHw%3D&auto=format&fit=crop&w=1850&q=80");
	background-color: #000000;
	background-size: 100vh;
	background-position: center bottom;
	background-repeat: no-repeat;
	}

	.container {
	text-align: center;
	padding: 20px;
	height: 100vh;
	}

	.page-title {
	color: #ffffff;
	margin: 0 0 5px;
	}

	.page-subtitle {
	color: #ffffff;
	margin-top: 5px;
	}

	.page-logo {
	width: 200px;
	}

	.alura-logo {
	width: 40px;
	position: absolute;
	top: 10px;
	right: 10px;
	}

	#tabelaCelsFahr {
	margin-left: auto;
	margin-right: auto;
	border-collapse: collapse;
	border: 2px solid black;
	width: 300px;
	}

	#tabelaCelsFahr tr {
	height: 30px;
	}

	/Título tabela: tipo letra, tamanho, alinhamento/
	#tabelaCelsFahr thead {
	/font-family: Verdana;/
	font-size: 20px;
	text-align: center;
	color: white;
	background-color: black;
	font-weight: bold;
	}

	/1ª coluna: tipo letra, tamanho, cor da letra e do fundo/
	#tabelaCelsFahr td:nth-child(1) {
	/font-family: Arial;/
	font-size: 16px;
	color: white;
	background-color: black;
	text-align: center;
	padding-left: 10px;
	padding-right: 10px;
	}

	#tabelaCelsFahr input[type="text"] {
	width: 192px;
	}

	#tabelaCelsFahr .button {
	border: 1px solid black;
	padding: 10px 15px;
	text-align: center;
	font-size: 12px;
	transition-duration: 0.4s;
	width: 200px;
	}

	#tabelaCelsFahr .button:hover {
	background-color: deepskyblue;
	font-weight: bold;
	}

	#pCels {
	background-color: white;
	font-weight: bold;
	}