| Param | Type | Default | Description |
|---|
| selector | string | | tab的selector |
| [options] | object | | 配置项 |
| [options.defaultIndex] | number | 0 | 初始展示的index |
| [options.onChange] | function | | 点击tab时，返回对应的index |
<div class="weui-tab" id="tab">
<div class="weui-navbar">
<div class="weui-navbar__item">反馈</div>
<div class="weui-navbar__item">表单</div>
<div class="weui-navbar__item">上传</div>
<div class="weui-navbar__item">其它</div>
</div>
<div class="weui-tab__panel">
<div class="weui-tab__content">反馈页</div>
<div class="weui-tab__content">表单页</div>
<div class="weui-tab__content">上传页</div>
<div class="weui-tab__content">其它页</div>
</div>
</div>
weui.tab('#tab',{
defaultIndex: 0,
onChange: function(index){
console.log(index);
}
});
