Q2111. What are the DOM methods available for constraint validation?
The below DOM methods are available for constraint validation on an invalid input, 1. `checkValidity()`: It returns true if an input element contains valid data. 2. `setC...
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Q2112. What is `useReducer`? Why do you use useReducer?
The `useReducer` hook is a React hook used to manage **complex state logic** inside **functional components**. It is conceptually similar to **Redux**. i.e, Instead of di...
Q2113. Explain the //, %, and ** operators in Python?
The // operator performs floor division. It will return the integer part of the result on division. ```python >>> 7//2 ``` 3 Normal division would return 3.5 here. Simila...
Q2114. What are the available constraint validation DOM properties?
Below are the list of some of the constraint validation DOM properties available, 1. `validity`: It provides a list of boolean properties related to the validity of an in...
Q2115. How does `useReducer` works? Explain with an example
The `useReducer` hooks works similarly to Redux, where: * You define a **reducer function** to handle state transitions. * You dispatch actions to update the state. **Cou...
Q2116. What are membership operators?
With the operators 'in' and 'not in', we can confirm if a value is a member in another. ```python >>> 'me' in 'disappointment' ``` True ```python >>> 'us' not in 'disappo...
Q2117. What are the validity properties?
The validity property of an input element provides a set of properties related to the validity of data. 1. `customError`: It returns true, if a custom validity message is...
Q2118. Can you combine **useReducer** with **useContext**?
Yes, it's common to combine **useReducer** with **useContext** to build a lightweight state management system similar to Redux: ```js const AppContext = React.createConte...
Q2119. Explain identity operators in Python?
The operators 'is' and 'is not' tell us if two values have the same identity. ```python >>> 10 is '10' ``` False ```python >>> True is not False ``` True
Q2120. Give an example usage of the rangeOverflow property
If an element's value is greater than its max attribute then the `rangeOverflow` property is true. For example, the below form submission throws an error if the value is ...