vrufine/localstorage.html

## localstorage.html
<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Local Storage Lab</title>
  <link rel="stylesheet" href="https://necolas.github.io/normalize.css/8.0.1/normalize.css">
  <style>
    body { padding: 20px; }
  </style>
</head>
<body>
  <form onsubmit="save(event)">
    <input id="email" type="email" placeholder="E-mail">
    <input id="senha" type="password" placeholder="Senha">
    <input id="saveButton" type="submit" value="Salvar dados">
  </form>

  <hr>

  <div>
    <p>
      Email salvo: <span id="savedEmail"></span>
    </p>
    <p>
      Senha salva: <span id="savedPassword"></span>
    </p>
    <button onclick="load()">Carregar dados salvos</button>
    <button onclick="clearData()">Limpar dados salvos</button>
  </div>

  <script>
    const emailInput = document.querySelector('#email')
    const senhaInput = document.querySelector('#senha')

    const spanEmail = document.querySelector('#savedEmail')
    const spanSenha = document.querySelector('#savedPassword')

    function clearData() {
      console.log('clearData() chamado')
      localStorage.setItem('email', '')
      localStorage.setItem('senha', '')
      spanEmail.textContent = ''
      spanSenha.textContent = ''
      load()
    }

    function save(event) {
      console.log(`save() chamado`)
      event.preventDefault()

      if (passwordIsValid()) {
        localStorage.setItem('email', emailInput.value)
        localStorage.setItem('senha', senhaInput.value)
      }

      load()
    }

    function load() {
      console.log(`load() chamado`)
      spanEmail.textContent = localStorage.getItem('email')
      spanSenha.textContent = localStorage.getItem('senha')
    }

    function passwordIsValid() {
      const minLength = 8
      const senhaLength = senhaInput.value.length
      if (senhaLength < minLength) {
        console.log(`Tamanho da senha: ${senhaLength}`)
        return false
      }
      return true
    }

    load()
  </script>
</body>
</html>
	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta charset="UTF-8">
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
	<title>Local Storage Lab</title>
	<link rel="stylesheet" href="https://necolas.github.io/normalize.css/8.0.1/normalize.css">
	<style>
	body { padding: 20px; }
	</style>
	</head>
	<body>
	<form onsubmit="save(event)">
	<input id="email" type="email" placeholder="E-mail">
	<input id="senha" type="password" placeholder="Senha">
	<input id="saveButton" type="submit" value="Salvar dados">
	</form>

	<hr>

	<div>
	<p>
	Email salvo: <span id="savedEmail"></span>
	</p>
	<p>
	Senha salva: <span id="savedPassword"></span>
	</p>
	<button onclick="load()">Carregar dados salvos</button>
	<button onclick="clearData()">Limpar dados salvos</button>
	</div>

	<script>
	const emailInput = document.querySelector('#email')
	const senhaInput = document.querySelector('#senha')

	const spanEmail = document.querySelector('#savedEmail')
	const spanSenha = document.querySelector('#savedPassword')

	function clearData() {
	console.log('clearData() chamado')
	localStorage.setItem('email', '')
	localStorage.setItem('senha', '')
	spanEmail.textContent = ''
	spanSenha.textContent = ''
	load()
	}

	function save(event) {
	console.log(`save() chamado`)
	event.preventDefault()

	if (passwordIsValid()) {
	localStorage.setItem('email', emailInput.value)
	localStorage.setItem('senha', senhaInput.value)
	}

	load()
	}

	function load() {
	console.log(`load() chamado`)
	spanEmail.textContent = localStorage.getItem('email')
	spanSenha.textContent = localStorage.getItem('senha')
	}

	function passwordIsValid() {
	const minLength = 8
	const senhaLength = senhaInput.value.length
	if (senhaLength < minLength) {
	console.log(`Tamanho da senha: ${senhaLength}`)
	return false
	}
	return true
	}

	load()
	</script>
	</body>
	</html>