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change object in array in state

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Condemned Cow answered on January 6, 2021 Popularity 10/10 Helpfulness 4/10

answer change object in array in state

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change object in array in state

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const toggleDone = (id) => {
  console.log(id);

  // loop over the todos list and find the provided id.
  let updatedList = state.todos.map(item => 
    {
      if (item.id == id){
        return {...item, done: !item.done}; //gets everything that was already in item, and updates "done"
      }
      return item; // else return unmodified item 
    });

  setState({todos: updatedList}); // set state to new object with updated list
}

Popularity 10/10 Helpfulness 4/10 Language javascript

Source: stackoverflow.com

Tags: javascript object state

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Contributed on Apr 15 2022

Condemned Cow

0 Answers Avg Quality 2/10

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const handleAdd = (todo) => {
  const newTodos = [...todos];
  newTodos.push(todo);
  setTodos(newTodos);
}

Popularity 10/10 Helpfulness 3/10 Language javascript

Source: dev.to

Tags: add

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Contributed on Jul 23 2021

Grieving Gharial

0 Answers Avg Quality 2/10

react replace object in array

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_updateStyle (props) {
  const { typeElements } = this.state;
  const updatedHeaders = [...typeElements.headers];
  updatedHeaders[props.index] = props;
  this.setState({
    ...this.state,
    typeElements: {
      ...typeElements,
      headers: updatedHeaders
    }
  ));
}

Popularity 1/10 Helpfulness 1/10 Language delphi

Source: Grepper

Tags: delphi object replace

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Contributed on Jan 06 2021

Envious Eagle

0 Answers Avg Quality 2/10

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change object in array in state

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