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HTML5每日一练之datalist标签自动补全的使用

May 14, 2018 am 11:36 AM

注:在其它的一些教程或资料中datalist标签称为下拉列表,我认为这种叫法不够准确,而且不能一下子理解此标签。比如前段时间:“一个朋友问我datalist是不是一种能自定义样式的select?”,后来才知道,有些书籍或教程中称为下拉列表而导致初学者理解错。那么此标签怎么称呼它才合适呢?咱们看完下面的案例后,我再说明:
datalist标签:
datalist介绍:
datalist一般不会独行江湖,它需要与input标签的搭配使用,就像label标签与input标签搭配使用一样。既然与input标签搭配使用,那么这两个标签之间必定存在着“特殊的关系”,不然input与datalist就互不相认了,那么如何才能让他们建立起来这种关系呢?这个时候我们需要一个新的属性list(注意,不是for),list与for的用法一样,list的值设置为表单元素的 id,这样他们便会自动关联了。
Chrome对此标签支持不好,Firefox和Opera可很好的支持
datalist作用:
我们经常在网上的搜索框中看到当输入一个字符,输入框下方会自动列出你输入的关键词,比如Google或百度的搜索,如下图:                                                                                   1303.png

此效果非HTML5的datalist技术实现

datalist案例:

<input list="w3cfuns-search" />
<datalist id="w3cfuns-search">
        <option value="W3Cfuns">
        <option value="W3C标准">
        <option value="W3C规则">
        <option value="W3C验证">
        <option value="前端开发">
        <option value="前端开发网">
        <option value="2天驾驭DIV+CSS">
        <option value="W3CSchool">
</datalist>
Copy after login

datalist说明:
个人认为称呼datalist为自动补全列表更加合适,因为它并不是下拉列表。

以上就是HTML5每日一练之datalist标签自动补全的使用的内容,更多相关内容请关注PHP中文网(www.php.cn)!

相关文章:

html5 datalist标签使用示例(自动完成组件)

datalist标签

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