TD Portfolio Analytics Developer interview questions

I encountered a comprehensive assessment of my front-end development skills, particularly focusing on JavaScript fundamentals, HTML DOM manipulation techniques, and React.js basics. The interviewer began by testing my JavaScript knowledge with questions about core concepts such as closures, prototypal inheritance, and asynchronous programming patterns. I was asked to explain the differences between var, let, and const declarations and to demonstrate my understanding of scope and hoisting. I was also asked questions about the different ways to loop an array of elements in JavaScript.