/TypeScript/React setstate in hooks to array of objects value

React setstate in hooks to array of objects value

// sample datas structure
/* const datas = [
    {
      id:   1,
      name: 'john',
      gender: 'm'
    }
    {
      id:   2,
      name: 'mary',
      gender: 'f'
    }
] */ // make sure to set the default value in the useState call (I already fixed it)

const [datas, setDatas] = useState([
    {
      id:   1,
      name: 'john',
      gender: 'm'
    }
    {
      id:   2,
      name: 'mary',
      gender: 'f'
    }
]);

const updateFieldChanged = index => e => {

    console.log('index: ' + index);
    console.log('property name: '+ e.target.name);
    let newArr = [...datas]; // copying the old datas array
    newArr[index] = e.target.value; // replace e.target.value with whatever you want to change it to

    setDatas(newArr); // ??
}

return (
    <React.Fragment>
        { datas.map( (data, index) => {
              <li key={data.name}>
                <input type="text" name="name" value={data.name} onChange={updateFieldChanged(index)}  />
              </li>
          })
        }
    </React.Fragment>
)

Source: stackoverflow.com

Similar codes

0 vote290 views1 answer
Vscode use relative paths in auto import
TypeScript
3 votes290 views1 answer
Ionic web platform
TypeScript
0 vote315 views3 answers
Please make sure you have the correct access rights and the repository exists.
TypeScript
0 vote284 views1 answer
Pandas get count of pair of elements in two columns
TypeScript
0 vote328 views1 answer
Destructuring props in styled-components
TypeScript
1 vote311 views2 answers
Types function typescript
TypeScript
1 vote285 views1 answer
Check all elements in list are false python
TypeScript
0 vote299 views2 answers
Roblox Script wait
TypeScript
0 vote298 views1 answer
Python compare lists unordered
TypeScript
0 vote283 views1 answer
Print consonants python
TypeScript