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並前往https://devsheet.com/code-snippet/reactadd-or-push-values-to-array-defined-in-state/

[React]Add or push values to array defined in state

Copy Code var newArr = this.state.arr.concat('new value'); this.setState({ myArray: newArr }); //USING es6 IT CAN BE DONE PRETTY EASILY //PUSH ITEM TO THE ...

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