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How to use js to control the left and right selection of a drop-down list

王林

Release： 2020-05-06 09:16:35

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How to use js to control the left and right selection of a drop-down list

需求分析

在我们的分类管理中，我们要能够去修改我们的分类信息，当我们点击修改的时候，可以跳转到一个能编辑的页面，这里面能够修改分类的名称、分类的描述、以及分类的商品。

技术分析

ondblclick="selectOne()"//双击事件
multiple="multiple"//select标签的属性

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代码实现：

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