JS——两个原生选择器

提示：扫一扫查出行
【扫一扫了解最新限行尾号】
复制提示

1. document.querySlector()

2.document.querySlectorAll()

<!DOCTYPE html>

<html lang="en">

<head>

    <meta charset="UTF-8">

    <title>新增选择器</title>

    <script type="text/javascript">

        window.onload = function(){

            var oDiv = document.querySelector('#div1');

            alert(oDiv);

            var aLi = document.querySelectorAll('.list li');

            alert(aLi.length)

        }

    </script>

</head>

<body>

    <div id="div1">

        <ul class="list">

            <li>1</li>

            <li>2</li>

            <li>3</li>

            <li>4</li>

            <li>5</li>

            <li>6</li>

        </ul>

    </div>

</body>

</html>