react event callback function arguments: the binding event of mass participation

react if the direct mass participation in the Click event will not be triggered when the trigger click, but directly called when rendering

1, the direct mass participation

  As follows  

  

  

  After testing found that the event will be triggered directly at initialization, when triggered instead of clicking. Program to solve the problem: arrows + indirect function call

   

 

 

 2, arrows indirect call function +

  

  At this point that is triggered when you click on the function call

  

 

3 Summary

  

 

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Origin www.cnblogs.com/jianxian/p/12590546.html