Back to feeds
Sagar gupta
Stealth • 4m
Most Javascript Questions Asked in Interview | PART 2 1. What is difference between a for loop and for Each loop Ans: A for loop is traditional loop that uses a counter variable to iterate over an array. ForEach loop is a method that iterate over an array and execute a callback function for each element.forEach loop is more concise but it can be slower and less flexible than traditional for loop. 2. How does javascript handle asynchronous programming. Ans: javascript uses callback to handle asynchronous programming , javascript also support promises and async await syntax which provides more concise and readable way of handling asynchronous code. 3.what is callback function. Ans: Callback is a function that is passed as an argument to another function and is executed when a specific operation is completed.
More like this
Recommendations from Medial
Sidharth Bidikar
Stealth • 2m
What is the most efficient way to combine text from multiple cells into one cell without using the CONCATENATE function? A) Using the TEXTJOIN function B) Using the LEFT function C) Using the SUBSTITUTE function #excel #msexcel #dataanalyst #dataan
See More
Download the medial app to read full posts, comements and news.