Native  textarea  scrolls can be done with  @ scroll , 
 but the  Input  component in iView does not seem to provide  on-scroll  instruction. What should I do 
? 
 Native  textarea  scrolls can be done with  @ scroll , 
 but the  Input  component in iView does not seem to provide  on-scroll  instruction. What should I do 
? 
 you can bind  scroll  events in  mounted  to handle 
mounted: {
    // $refsdom
    this.textArea = this.$refs.viewTextArea;
    // domscroll
    this.textArea.addEventListener('scroll', () => {}, true);
}Previous: How can element-ui be downloaded locally and referenced directly to the web project?
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