Javascript中appendChilid()内涵

<!DOCTYPE html>

<html xmlns="http://www.w3.org/1999/xhtml">

<head>

    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

    <title></title>

    <style type="text/css">

        #ul1

        {

            background-color: green;

        }

        #ul2

        {

            background-color: yellow;

        }

    </style>

    <script type="text/javascript">

        window.onload = function () {

            var oBtn = document.getElementById("btnChange");

            var oUl1 = document.getElementById("ul1");

            var oUl2 = document.getElementById("ul2");

            var aLi = document.getElementsByTagName("li");

            //for (var i = 0; i < aLi.length; i++) {

            //    aLi[i].onclick = function () {

            //        oUl1.removeChild(this);

            //        oUl2.appendChild(this);

            //    }

            //}

            oBtn.onclick = function () {

                var oLi = oUl1.children[0];

                oUl1.appendChild(oLi)

                //oUl1.removeChild(oLi);

                //oUl2.appendChild(oLi);//1.先把元素从原有的父级别上删掉，在添加到新的父级上

            }

        }

    </script>

</head>

<body>

    <ul id="ul1">

        <li>1</li>

        <li>2</li>

        <li>3</li>

        <li>4</li>

        <li>5</li>

    </ul>

    <input type="button" value="移动" id="btnChange" />

    <ul id="ul2">

    </ul>

</body>

</html>
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Javascript中appendChilid()内涵

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