Q501. What is the comma operator?
The comma operator is used to evaluate each of its operands from left to right and returns the value of the last operand. This is totally different from comma usage withi...
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Q502. Is it possible to prevent automatic batching?
Yes, it is possible to prevent automatic batching default behavior. There might be cases where you need to re-render your component after each state update or updating on...
Q503. What is the advantage of the comma operator?
It is normally used to include multiple expressions in a location that requires a single expression. One of the common usages of this comma operator is to supply multiple...
Q504. What is React hydration?
React hydration is used to add client-side JavaScript interactivity to pre-rendered static HTML generated by the server. It is used only for server-side rendering(SSR) to...
Q505. What is typescript?
TypeScript is a typed superset of JavaScript created by Microsoft that adds optional types, classes and many other features, and compiles to plain JavaScript. Angular is ...
Q506. How do you update objects inside state?
You cannot update the objects which exists in the state directly. Instead, you should create a fresh new object (or copy from the existing object) and update the latest s...
Q507. What are the differences between javascript and typescript?
Below are the list of differences between javascript and typescript, | feature | typescript | javascript | | ------------------- | ------------------------------------- |...
Q508. How do you update nested objects inside state?
You cannot simply use spread syntax for all kinds of objects inside state. Because spread syntax is shallow and it copies properties for one level deep only. If the objec...
Q509. What are the advantages of typescript over javascript?
Below are some of the advantages of typescript over javascript, 1. TypeScript is able to find compile time errors at the development time only and it makes sures less run...
Q510. How do you update arrays inside state?
Eventhough arrays in JavaScript are mutable in nature, you need to treat them as immutable while storing them in a state. That means, similar to objects, the arrays canno...