Github user cxfeng1 commented on a diff in the pull request:

    https://github.com/apache/incubator-weex-site/pull/5#discussion_r157439670
  
    --- Diff: source/references/modules/animation.md ---
    @@ -47,62 +55,36 @@ Smooth and meaningful animation is very effective for 
enhancing the user experie
     | backgroundColor | The background color applied to the component after 
the animation finished. | string                | none            |
     | opacity         | The opacity applied to the component after the 
animation finished. | number between 0 to 1 | `1`             |
     | transformOrigin | The povit of transition. The possible values for 
`x-aris` are `left`/`center`/`right`/length or percent, and possible values of 
`y-axis` are `top`/`center`/`bottom`/ length or percent | `x-axis y-axis`       
| `center center` |
    -| transform       | Transform function to be applied to the element. The 
properties in the following table are supported | object                | none  
          |
    +| **transform**   | Transform function to be applied to the element. The 
properties in the following table are supported | object                | none  
          |
     
    -properties of `transform`:
    +``transform`` also have many parameters,please see the table below.
     
    -| name                            | description                            
  | value type       | default value |
    -| :------------------------------ | 
:--------------------------------------- | :--------------- | :------------ |
    -| translate/translateX/translateY | Specifies the location of which the 
element will be translated to. | pixel or percent | none          |
    -| rotate/rotateX <span class="api-version">v0.14+</span> /rotateY <span 
class="api-version">v0.14+</span> |Specifies the angle of which the element 
will be rotated, the unit is degree.|number|none|
    -| perspective <span class="api-version">v0.16+</span> | The distance 
between the z=0 plane and the user in order to give to the 3D-positioned 
element some perspective. Supported for Android 4.1 and above. | number | 
positive infinity
    -| scale/scaleX/scaleY             | Stretch or shrink the element.         
  | number           | none          |
    +| name                                     | description                   
           | value type       | default value     |
    +| :--------------------------------------- | 
:--------------------------------------- | :--------------- | :---------------- 
|
    +| translate/translateX/translateY          | Specifies the location of 
which the element will be translated to. | pixel or percent | none              
|
    +| rotate/rotateX <span class="api-version">v0.14+</span> /rotateY <span 
class="api-version">v0.14+</span> | Specifies the angle of which the element 
will be rotated, the unit is degree. | number           | none              |
    +| perspective <span class="api-version">v0.16+</span> | The distance 
between the z=0 plane and the user in order to give to the 3D-positioned 
element some perspective. Supported for Android 4.1 and above. | number         
  | positive infinity |
    +| scale/scaleX/scaleY                      | Stretch or shrink the 
element.           | number           | none              |
     
    --  `callback`(function): Callback which is called after the completion of 
transition.**NOTISE, after WeexSDK0.16.0, in iOS platform can get animation's 
message about completion, there are two types of parameters with `result`, is 
`Success`and `Fail`, Android can not support until now.**
    +- `duration` (number): Specifies the number of milliseconds of animation 
execution, the default value is `0`, means that no animation will occur.    
    +- `delay` (number): Specifies the amount of milliseconds to wait between a 
change being requested to a property that is to be transitioned and the start 
of the transition effect. The default value is `0`.   
    +- `needLayout`(boolean):Whether or not the layout animation occurs when 
animation is executed,default value is `false`
    +- `timingFunction` (string): Used to describe how the intermediate values 
of the styles being affected by a transition effect are calculated, default 
value is `linear`, the allowed attributes are listed in the following table:    
     
    +| name                           | description                             
 |
    +| :----------------------------- | 
:--------------------------------------- |
    +| `linear`                       | Specifies a transition effect with the 
same speed from start to end |
    +| `ease`                         | Specifies a transition effect with a 
slower and slower speed |
    +| `ease-in`                      | Specifies a transition effect with a 
slow start |
    +| `ease-out`                     | Specifies a transition effect with a 
slow end |
    +| `ease-in-out`                  | Specifies a transition effect with a 
slow start and end |
    +| `cubic-bezier(x1, y1, x2, y2)` | Define your own values in the 
cubic-bezier function. Possible values are parameter values from 0 to 1. More 
information about cubic-bezier please visit 
[cubic-bezier](http://cubic-bezier.com/) and [Bézier 
curve](https://en.wikipedia.org/wiki/B%C3%A9zier_curve). |
     
    -### Example
    +### ``callback``
     
    -```html
    -<template>
    -  <div class="wrapper">
    -    <div ref="test" @click="move" class="box"></div>
    -  </div>
    -</template>
    -
    -<script>
    -  const animation = weex.requireModule('animation')
    -  const modal = weex.requireModule('modal')
    -
    -  export default {
    -    methods: {
    -      move () {
    -        var testEl = this.$refs.test;
    -        animation.transition(testEl, {
    -          styles: {
    -            color: '#FF0000',
    -            transform: 'translate(250px, 100px)',
    -            transformOrigin: 'center center'
    -          },
    -          duration: 800, //ms
    -          timingFunction: 'ease',
    -          needLayout:false,
    -          delay: 0 //ms
    -        }, function () {
    -          modal.toast({ message: 'animation finished.' })
    -        })
    -      }
    -    }
    -  }
    -</script>
    -
    -<style scoped>
    -  .box {
    -    width: 250px;
    -    height: 250px;
    -    background-color: #DDD;
    -  }
    -</style>
    -```
    +Callback which is a function called after the completion of animation. In 
iOS platform, you can use function to get animation processing's information.
    --- End diff --
    
    What do you mean by saying get animation processing's information, is there 
any code examples ? 


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