interview question Archives

Clark
January 18, 2015

Variations on Asynchronous Map

Variations on Asynchronous Map https://clarkfeusier.com/wp-content/themes/crocal/images/empty/thumbnail.jpg 150 150 Clark Clark https://secure.gravatar.com/avatar/e5333fb3c1def594495ace9f5f83d3ba0d92145d93b4afad5a92e584f633ffad?s=96&d=mm&r=r January 18, 2015 January 8, 2020

One of my favorite ‘toy problems,’ often asked in technical interviews during a ‘screening’ phase, is to implement an asynchronous mapping function. This problem can be tricky because it tests your knowledge of asynchronicity and your ability to use callback functions. This knowledge is considered necessary for a web-application engineer…

Balanced Parentheses and a Stack

Balanced Parentheses and a Stack https://clarkfeusier.com/wp-content/uploads/2015/01/stack.jpg 512 381 Clark Clark https://secure.gravatar.com/avatar/e5333fb3c1def594495ace9f5f83d3ba0d92145d93b4afad5a92e584f633ffad?s=96&d=mm&r=r January 16, 2015 January 8, 2020

In early-screening technical interviews, the Balanced Parentheses question is quite popular. It goes something like this: Write a balancedParens function that takes a string as input and returns a boolean — if the parentheses in the input string are ‘balanced’, then return true, else return false You are given the…

Higher-Order Functions and Function Binding

Higher-Order Functions and Function Binding https://clarkfeusier.com/wp-content/themes/crocal/images/empty/thumbnail.jpg 150 150 Clark Clark https://secure.gravatar.com/avatar/e5333fb3c1def594495ace9f5f83d3ba0d92145d93b4afad5a92e584f633ffad?s=96&d=mm&r=r January 11, 2015 January 8, 2020

In technical interviews, it is common that the interviewer will throw in a question that tests your knowledge of higher-order functions and function-binding. If you are applying for a job as a JavaScript engineer, then you should expect an interview question in some similar form to the following: Write a…