SP Software interview question

Program for reversing the sentence in javascript? What is DoctType in html? How to you pass data from parent component to child component? What is redux? Differences in HTML and HTML5? What is meta tag in why do we use it? Difference between bootstrap 3 and 4? What is variable in javascript? What is package.json file.? is javascript single threaded language or multi threaded language? What is restAPI? What is row in bootstrap? Class for making image responsive in bootstrap 3 and 5? What is container in bootstrap and types of containers in bootstrap? What is NodeJs and why we use node js? What is an array ? What is an object ? Difference between array and object? Git Command for cloning a remote repository?