React Js Interview Question
● What is React js
● What is difference between virtual dom and shallow
dom , dom in React js
● What is controlled and uncontrolled component in
React js
● What is hooks in React js
● What is jsx, babel, webpack
● What is Redux
● What is reducer , action, store in Redux
● What is middleware in Redux
● Explain data flow in Redux
● What is Redux-Thunk
● What is Redux-Saga, Difference between
Redux-thunk and Redux-saga
● Difference between class component and function
component
● How can we implement componentWillUnmount in
function component
● useEffect,UseState,useMemo.useCallback hooks in
Details
● Explain lifecycle method in React js
● What is difference between export default and export
in React js
● What is portal in React js
● What is reconciliation in React js
,● What is useRef in React js
● What is server side render in React js
● What is useStrict in React js
● What is fragment in React js
● What is react router in React js
● What is node module in React js
● What is the default localhost server port in react js.
how can we change the local server port
● What is high order component in React js
● What is pure component in React js
● What is difference state and props in React js
● How to optimize React js app
● What is difference between React js and Angular js
● What is prop drilling in React js how to overcome it
● What is context api in React js
● What is super, constructor , render function in React
js
, HTML interview question
● What is <!Doctype html> in Html5
● What is difference between div and span in Html
● What is semantic tags and non semantic tags in
Html
● What is difference between html and html5
● What is Iframe tag in Html5
● What are the formatting tags in html
● What is difference <b> and <Strong> in html
● What is view port attribute in html
● What is attribute in html
● What is block level element and inline element in
html
● What is difference between Html and Html5
● What is React js
● What is difference between virtual dom and shallow
dom , dom in React js
● What is controlled and uncontrolled component in
React js
● What is hooks in React js
● What is jsx, babel, webpack
● What is Redux
● What is reducer , action, store in Redux
● What is middleware in Redux
● Explain data flow in Redux
● What is Redux-Thunk
● What is Redux-Saga, Difference between
Redux-thunk and Redux-saga
● Difference between class component and function
component
● How can we implement componentWillUnmount in
function component
● useEffect,UseState,useMemo.useCallback hooks in
Details
● Explain lifecycle method in React js
● What is difference between export default and export
in React js
● What is portal in React js
● What is reconciliation in React js
,● What is useRef in React js
● What is server side render in React js
● What is useStrict in React js
● What is fragment in React js
● What is react router in React js
● What is node module in React js
● What is the default localhost server port in react js.
how can we change the local server port
● What is high order component in React js
● What is pure component in React js
● What is difference state and props in React js
● How to optimize React js app
● What is difference between React js and Angular js
● What is prop drilling in React js how to overcome it
● What is context api in React js
● What is super, constructor , render function in React
js
, HTML interview question
● What is <!Doctype html> in Html5
● What is difference between div and span in Html
● What is semantic tags and non semantic tags in
Html
● What is difference between html and html5
● What is Iframe tag in Html5
● What are the formatting tags in html
● What is difference <b> and <Strong> in html
● What is view port attribute in html
● What is attribute in html
● What is block level element and inline element in
html
● What is difference between Html and Html5
