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Javascript - Form Wave Animation 본문

Javascript

Javascript - Form Wave Animation

HiroDaegu 2021. 10. 1. 00:14
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입력창 클릭시 라벨이 파도치듯 움직이는 프로젝트

<!DOCTYPE html>
<html lang="ko">
  <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>Form Input Wave</title>
    <link rel="stylesheet" href="style.css" />
    <script defer src="main.js"></script>
  </head>
  <body>
    <div class="container">
      <h1>Please Login</h1>
      <form>
        <div class="form-control">
          <input type="text" required />
          <label>Email</label>
        </div>
        <div class="form-control">
          <input type="password" required />
          <label>Password</label>
        </div>
        <button class="btn">Login</button>
        <p class="text">Don't have an account? <a href="#">Register</a></p>
      </form>
    </div>
  </body>
</html>
@import url('https://fonts.googleapis.com/css2?family=Muli&display=swap');

* {
  box-sizing: border-box;
}

body {
  background-color: #4682b4;
  color: #fff;
  font-family: 'Muli', sans-serif;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  overflow: hidden;
  margin: 0;
}

.container {
  background-color: rgba(0, 0, 0, .4);
  padding: 20px 40px;
  border-radius: 5px;
}

.container h1 {
  text-align: center;
  margin-bottom: 30px;
}

.container a {
  text-decoration: none;
  color: #add8e6;
}

.btn {
  cursor: pointer;
  display: inline-block;
  width: 100%;
  background: #add8e6;
  padding: 15px;
  font-family: inherit;
  font-size: 16px;
  border: 0;
  border-radius: 5px;
}

.btn:focus {
  outline: 0;
}

.btn:active {
  transform: scale(0.98);
}

.text {
  margin-top: 30px;
}

.form-control {
  position: relative;
  margin: 20px 0 40px;
  width: 300px;
}

.form-control input {
  background-color: transparent;
  border: 0;
  border-bottom: 2px solid #fff;
  display: block;
  width: 100%;
  padding: 15px 0;
  font-size: 18px;
  color: #fff;
}

.form-control input:focus, 
.form-control input:valid {
  outline: 0;
  border-bottom-color: #add8e6;
}

.form-control label {
  position: absolute;
  top: 15px;
  left: 0;
}

.form-control label span {
  display: inline-block;
  font-size: 18px;
  min-width: 5px;
  transition: .3s cubic-bezier(.68, -0.55, .265, 1.55);
}

.form-control input:focus + label span, 
.form-control input:valid + label span {
  color:#add8e6;
  transform: translateY(-30px);
}
const labels = document.querySelectorAll(".form-control label");

labels.forEach(label => {
  label.innerHTML = label.innerText
  .split("")
  .map((letter, index) => `<span style="transition-delay:${index * 50}ms">${letter}</span>`)
  .join("")
})
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