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Questions - parent-child

Passing State to parent immediately after updating React

Since react useState works like a queue ,I have issue accessing the data passed to the parent component by child component. Input.js const Input = (props) => { const [isValid, setIsVal...
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Anand V Balagopalan

reactjs

parent-child

react-props

Votes: 0

Answers: 1

Latest Answer

Update the valid argument in the handleChange callback based on the current value of the input field. onChange={(e) => { let valid = isNaN(e.target.value); setIsValid(valid); prop...
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Shan

React native passing multiple styles from parent to child, which method is more used? what is the difference?

React native passing multiple styles from parent to child, component, which method is more used? What is the difference? Rest parameter type, <Text style={{...styles.title, ...props.style}}>{pro...
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fixedDrill

react-native

parent-child

prop

Votes: 0

Answers: 1

Latest Answer

There are no differences between the two examples. However, the second way is the standard way to combine styles as mentioned in the react-native documentation. The style prop can be a plain old Java...
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Yaman KATBY

Angular. Error Cannot read properties of null (reading &#39;addFormGroup&#39;)

I have a component with a form: <form [formGroup]="Nsfg.invoiceFormGroup"> <div formGroupName="namespace"> <div class="accordion" id="accordi...
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Jos&#233; Luis Iriarte

angular

forms

parent-child

Votes: 0

Answers: 1

Latest Answer

Thanks to Jai Saravanan! In my case I've fixed it this way: parent html (referring child): <form [formGroup]="Nsfg.invoiceFormGroup"> <div formGroupName="namespace">...
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Jos&#233; Luis Iriarte

Problem creating a child class using an alternative constructor of parent

I have a class that creates blocks in a 2d board. I defined it so it does so given their height, length and location on the board but also made an alternative constructor to create blocks by passing i...
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Juan Mantilla

python

inheritance

initialization

parent-child

Votes: 0

Answers: 2

Latest Answer

When you execute spaces = SpacesBlock([(0,0),(0,1)]) you create an instance SpaceBlock. Then __init__ runs to initialize this object. The problem is, that the __init__ function in SpaceBlock does not...
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