<a name="searchBar"></a>
## searchBar(selector)
searchbar 搜索框，主要實現搜索框組件一些顯隱邏輯
**Kind**: global function
| Param | Type | Description |
| --- | --- | --- |
| selector | <code>string</code> | searchbar的selector |
**Example**
#### html
```html
<div class="weui-search-bar" id="searchBar">
<form class="weui-search-bar__form">
<div class="weui-search-bar__box">
<i class="weui-icon-search"></i>
<input type="search" class="weui-search-bar__input" placeholder="搜索" required="">
<a href="javascript:" class="weui-icon-clear"></a>
</div>
<label class="weui-search-bar__label">
<i class="weui-icon-search"></i>
<span>搜索</span>
</label>
</form>
<a href="javascript:" class="weui-search-bar__cancel-btn">取消</a>
</div>
```
#### js
```javascript
weui.searchBar('#searchBar');
```
