有 好文章 很好地总结了差异

There's a good article that summarizes the differences nicely

简而言之:

|                       |       General usage        | Complex designs | Can be disabled |
|-----------------------|----------------------------|-----------------|-----------------|
| <button>              | General button purpose.    | Yes             | Yes             |
|                       | Used in most cases         |                 |                 |
| --------------------- | -------------------------- | --------------- | --------------- |
| <input type="button"> | Usually used inside        | No              | Yes             |
|                       | forms                      |                 |                 |
| --------------------- | -------------------------- | --------------- | --------------- |
| <a>                   | Used to navigate to        | Yes             | No              |
|                       | pages and resources        |                 |                 |
| --------------------- | -------------------------- | --------------- | --------------- |
| <div>                 | Can be used for clickable  | Yes             | No              |
|                       | area which is not button   |                 |                 |
|                       | or link by definition      |                 |                 |