Q441. What are the advantages of Getters and Setters?
Below are the list of benefits of Getters and Setters, 1. They provide simpler syntax 2. They are used for defining computed properties, or accessors in JS. 3. Useful to ...
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Q442. What is formik?
Formik is a small react form library that helps you with the three major problems, 1. Getting values in and out of form state 2. Validation and error messages 3. Handling...
Q443. Can I add getters and setters using defineProperty method?
Yes, You can use the `Object.defineProperty()` method to add Getters and Setters. For example, the below counter object uses increment, decrement, add and subtract proper...
Q444. What are typical middleware choices for handling asynchronous calls in Redux?
When managing asynchronous side effects (such as API calls, debouncing, and web sockets) in Redux, several middleware libraries have evolved: ### 1. Redux Toolkit Query (...
Q445. What is the purpose of switch-case?
The `switch case` statement in JavaScript is used for decision making purposes. In a few cases, using the `switch case` statement is going to be more convenient than `if-...
Q446. Do browsers understand JSX code?
No, browsers can't understand JSX code. You need a transpiler to convert your JSX to regular Javascript that browsers can understand. The most widely used transpiler righ...
Q447. What are the conventions to be followed for the usage of switch case?
Below are the list of conventions should be taken care, 1. The expression can be of type either number or string. 2. Duplicate values are not allowed for the expression. ...
Q448. Describe about data flow in react?
React implements one-way reactive data flow using props which reduce boilerplate and is easier to understand than traditional two-way data binding.
Q449. What are primitive data types?
A primitive data type is data that has a primitive value (which has no properties or methods). There are 7 types of primitive data types. 1. string 2. number 3. boolean 4...
Q450. What is MobX?
MobX is a simple, scalable and battle tested state management solution for applying functional reactive programming (TFRP). For ReactJS application, you need to install b...