Infosys Angular Frontend Developer Interview Questions, Process, and Tips

Array methods in JavaScript and their differences

• forEach() - executes a provided function once for each array element

• map() - creates a new array with the results of calling a provided function on every element

• filter() - creates a new array with all elements that pass the test implemented by the provided function

• reduce() - applies a function against an accumulator and each element in the array to reduce it to a single v...read more

Use JavaScript to remove duplicate elements from an array of strings.

• Create a new Set from the array to automatically remove duplicates

• Convert the Set back to an array to get the final result