CODEWITHSUNDEEP
reactjs
shyla
shyla

Reputation: 115

ReactJS Warning: Each child in an array or iterator should have a unique "key" prop

    var divArr = [
       '<div>布吉岛啊</div>',
       '<div>呵呵呵</div>',
    ];
    ReactDOM.render(
       <div>{divArr}</div>,
       document.getElementById("example")
    );

but it's error:

Warning: Each child in an array or iterator should have a unique "key" prop. Check the top-level render call using . See [warning-keys][1] for more information.

and I don't know how to insert the 'key'

Upvotes: 7

Views: 19523

Answers (1)

Md.Estiak Ahmmed
Md.Estiak Ahmmed

Reputation: 1593

you need to put unique key inside the array div check my code

var divArr = [
 '<div key='1'>布吉岛啊</div>',
 '<div key='2'>呵呵呵</div>',
];
ReactDOM.render(
   <div>{divArr}</div>,
   document.getElementById("example")
);

Upvotes: 15

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