<div class"detail">
<img alt="" src="/img/img.jpg"/>
<img alt="" src="/img/img.jpg"/>
<img alt="" src="/img/img.jpg"/>
<img alt="" src="/img/img.jpg"/>
<img alt="" src="/img/img.jpg"/>
<img alt="" src="/img/img.jpg"/>
<img alt="" src="/img/img.jpg"/>
<img alt="" src="/img/img.jpg"/>
<img alt="" src="/img/img.jpg"/>
<img alt="" src="/img/img.jpg"/>
<img alt="" src="/img/img.jpg"/>
<img alt="" src="/img/img.jpg"/>
<img alt="" src="/img/img.jpg"/>
<img alt="" src="/img/img.jpg"/>
</div>如以上html 代码 只保留前三个img标签，剩下全部删掉？ 请高手帮帮忙。使用jq
3 回答
JH鹰
TA贡献14条经验 获得超1个赞
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>userAgent</title>
</head>
<body>
<div id="datail">;
<li>1</li>
<li>2</li>
<li>3</li>
<li>4</li>
<li>5</li>
<li>6</li>
<li>7</li>
<li>8</li>
<li>9</li>
<li>10</li>
<li>11</li>
<li>12</li>
<li>13</li>
<li>14</li>
</div>
<script type="text/javascript">
var divChild=document.getElementById("datail");
var div1=document.getElementById("datail").getElementsByTagName("li");
for (var i = 0; i < div1.length; i++) {
if (i>3 && i<15) { //这个值你自己调
divChild.removeChild(div1[i]);
}
}
</script>
</body>
</html>
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