Javascript/example_listColorChange.html at main · ksj2001/Javascript · GitHub

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<!DOCTYPE html>
<html lang="kr">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .container{
            display: flex;
            justify-content: center;
        }
        ul li{
            display: inline-block;
            height: 27px;
            border-bottom: none;
            color: #666;
            margin-right: 10px;
        }
    </style>
</head>
<body>
    <div class="container">
        <ul>
            <li>리빙</li>
            <li>푸드</li>
            <li>스포츠</li>
            <li>자동차</li>
            <li>패션뷰티</li>
            <li>부모i</li>
            <li>건강</li>
            <li>웹툰</li>
            <li>게임</li>
            <li>TV연예</li>
        </ul>
    </div>

    <script>
        let colorArray=['#829c00','#ff8624','#2565d0','#058e42','#ff629c','#efae00','#fc5a58','#00b336','#00bbc3','#07bc88',];

        let list = document.querySelectorAll(".container ul li");

        // for(let i=0;i<list.length;i++){
        //     list[i].addEventListener("mouseover", () => {
        //         for(let j=0;j<list.length;j++){
        //             list[j].style.height = "27px";
        //             list[j].style.borderBottom = "none";
        //             list[j].style.color = "#666";
        //         }
        //         console.log(list[i]);
        //         list[i].style.height = "30px";
        //         list[i].style.borderBottom = `3px solid ${colorArray[i]}`;
        //         list[i].style.color = `${colorArray[i]}`;
        //     })
        // }

        list.forEach((value,i) => {
            value.addEventListener("mouseover", () =>{
                list.forEach((value2) => {
                    value2.style.height = "27px";
                    value2.style.borderBottom = "none";
                    value2.style.color = "#666";
                })
                value.style.height = "30px";
                value.style.borderBottom = `3px solid ${colorArray[i]}`;
                value.style.color = `${colorArray[i]}`;
            })
        })


    </script>
</body>
</html>