How to parse such a json object?

Question

JSON

Good afternoon!
It comes from the json server, then I translate it into an object through JSON.parse(). Then I want to display its contents like this: Object.keys(this.state.students).map(function (val){return });
But in reality, one empty element is rendered, and the error "Warning: Each child in an array or iterator should have a unique "key" prop. Check the render method of `RenderStudent`" is thrown.

Answer 1

try this

Object.keys(this.state.students).map(
   (el, ind)=>{
       <div key={el.id}>{el.name}</div>
   }
);