Created
January 17, 2020 14:39
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prevState React
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| state:{ | |
| form:{ | |
| [state]: { | |
| value: [] | |
| } | |
| } | |
| } | |
| this.setState(prevState => ({ | |
| ...prevState, | |
| form: { | |
| ...prevState.form, | |
| [state]: { | |
| ...prevState.form[state], | |
| value: [...prevState.form[state].value, data] | |
| } | |
| } | |
| })); |
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