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jQuery prependTo() 方法

❮ jQuery HTML/CSS 方法

示例

在每个 <p> 元素的开头插入一个 <span> 元素

$("button").click(function(){
  $("<span>Hello World!</span>").prependTo("p");
});
亲自试一试 »

定义和用法

prependTo() 方法在选定元素的开头插入 HTML 元素。

提示:要将 HTML 元素插入到选定元素的末尾,请使用 appendTo() 方法。


语法

$(content).prependTo(selector)

参数 描述
content 必需。指定要插入的内容(必须包含 HTML 标签)。

注意:如果content 是一个现有的元素,它将从其当前位置移动,并在选定元素的开头插入。
selector 必需。指定在哪些元素上添加内容

亲自试一试 - 示例

插入现有元素
如何使用 prependTo() 方法在每个选定元素的开头插入现有元素。


❮ jQuery HTML/CSS 方法

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