
패스트캠퍼스 온라인 강의를 통해 만든 ★다방 랜딩페이지. 서치영역을 만들었다. 아이콘을 삽입하고 JS 코드를 작성해서 서치영역이 동작하도록 하였다
<body>
    <!-- HEADER -->
    <header>
        <div class="inner">
            
            <a href="/" class="logo">
                <img src="./images/starbucks_logo.png" alt="STARBUCKS">
            </a>
            <div class="sub-menu">
                <ul class="menu">
                    <li>
                        <a href="/signin">Sign In</a>
                    </li>
                    <li>
                  <a href="javascript:void(0)">My Starbucks</a>
                    </li>
                    <li>
                        <a href="javascript:void(0)">Customer Service & Ideas</a>
                    </li>
                    <li>
                        <a href="javascript:void(0)">Find a Store</a>
                    </li>
                </ul>
                <div class="search">
                    <input type="text">
                    <div class="material-icons-outlined">search</div>
                </div>
            </div>
header .sub-menu .search {
    height: 34px;
    position: relative;
}
header .sub-menu .search input {
    width: 36px;
    height: 34px;
    padding: 4px 10px;
    border: 1px solid #ccc;
    box-sizing: border-box;
    border-radius: 5px;
    outline: none;
    background-color: #fff;
    color: #777;
    transition: width .4s;    
}
header .sub-menu .search input:focus {
    width: 190px;
    border-color: #669900;
}
header .sub-menu .search .material-icons-outlined {
    font-family: 'Material Icons';
    font-weight: normal;
    font-style: normal;
    font-size: 24px;
    position: absolute;
    top: 0;
    bottom: 0;
    right: 5px;
    margin: auto;
    transition: .4s;
}
header .sub-menu .search.focused .material-icons-outlined {
    opacity: 0;
}
const searchEl = document.querySelector('.search');
const searchInputEl = searchEl.querySelector('input');
   
searchEl.addEventListener('click', function () {
    searchInputEl.focus();
});
searchInputEl.addEventListener('focus', function() {
    searchEl.classList.add('focused');
    searchInputEl.setAttribute('placeholder', '통합검색');
});
searchInputEl.addEventListener('blur', function() {
    searchEl.classList.remove('focused');
    searchInputEl.setAttribute('placeholder', ' ');
});