What are the methods called when component is created or while inserting it to dom?
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Explain the use of ‘key’ in react list
How can we find the version of react at runtime in the browser?
In which lifecycle event do you make ajax requests and why?
When reactjs released?
What is react router?
What is a router in react.js?
How do you tell react to build in production mode and what will that do?
what is the usage of refs and keys used in react?
How to update the state of the component in reactjs?
Differentiate between real dom and virtual dom?
What is the difference between createelement and cloneelement?
What is the purpose of callback function as an argument of setstate()?