HTML 

•Html structures, Attributes, List, table and html forms 

JAVASCRIPT 

•Variable methods, datatypes, arrays, implemented DOM concepts 

CSS 

•Css selection, aligning elements using position, flex properties, gradient properties 

REACT JS 

•Knowledge on JSX ,Functional and Class component. •Good knowledge on State and Props. •Good in Lifecycle method in class component. •Good in Hooks in functional component. •Good in React Optimization