Relation between dropdown structure and proccessing it's data in forms

2018-06-27 04:13:46

I've known three ways for creating dropdowns which I can use in forms till now: 1) using HTML "form-dedicated":select and option value="" 2) using Bootstrap framework: div class="dropdown" Button class="btn btn-secondary dropdown-toggle" and div class="dropdown-menu having a class="dropdown-item" 3) using HTML UL-list: ul li a href="x" and so on

Could anyone tell me if there are any differences in treating data from this three types of dropdowns by server? Which one I should use to obtain not only good looking but also efficient form ?

只有CSS和JS的区别，但所有的都是HTML，Frameworks是一个现成的CSS-JavaScript代码，一个表单里面的下拉式连接到表单，这一切。

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