#Javascript interview questions code#

AMD question вЂ“ Differentiate between = and =.

IBM question вЂ“ What is Ajax? What are the disadvantages of Ajax? Which are the two methods used for cross domain Ajax calls?.

Microsoft question вЂ“ How do you add an element at the beginning of an array? How do you add one at the end?.

Facebook question вЂ“ Explain the terms: synchronous and asynchronous code.

Netflix question вЂ“ Explain the term: closure.

eBay question вЂ“ What happens when the recursion calling is applied to two functions?.

Uber question вЂ“ What is a function callback?.

Google question вЂ“ What are self executing functions?.

IBM question вЂ“ What are anonymous functions in Javascript? What is the difference between an anonymous function and a named function?.

Twitter question вЂ“ Explain the typeof operator.

Airbnb question вЂ“ Name some of the Javascript frameworks.

Facebook question вЂ“ Are Javascript and JScript the same? Are Typescript and Javascript the same?.

eBay question вЂ“ What is the difference between null and undefined?.

Groupon question вЂ“ Implement a to-do listвЂ™s delete method on a website.

IBM question вЂ“ Describe your experience developing AI applications.

#Javascript interview questions code#

Google question вЂ“ Write the code to find the balance point of the array.

Netflix question вЂ“ Design a webpage which can auto-post new posts when you reach the bottom of the page by using JavaScript.

Microsoft question вЂ“ Describe what happens when a user clicks a link in a browser.

If that tile is 0, reveal all its neighbors. If the user clicks on a tile that is a bomb, the game is over. Each tile shows the number of bombs as its neighbor.

Airbnb question вЂ“ Write a function reveal() that outputs the number of tiles shown when a user clicks on a tile.

Twitter question вЂ“ How do you make a function that takes f and returns a function that calls f on a timeout?.

Google question вЂ“ How do you make a function that only calls input function f every 50 milliseconds?.

Facebook question вЂ“ In JavaScript, write a function that takes an array as input that can contain both ints and more arrays (which can also contain an array or int) and return the flattened array.

Discuss the runtime of the algorithm and how you can be sure there wonвЂ™t be infinite loops.

Google question вЂ“ Given an input array and another array that describes a new index for each element, mutate the input array so that each element ends up in their new index.

Microsoft question вЂ“ If you were building a search tool and wanted search results to pop up as you typed but the server call was taxing, write a function that gets called on every key down but calls the server when the user stops typing for 400ms.

LinkedIn question вЂ“ How would you ensure clicking on a picture would go to a specific link? How would you ensure the child is positioned in the top right of the parent picture?.

Netflix question вЂ“ Given a picture, how would you hide/show a childвЂ™s picture hovering on this parent?.

Twitter question вЂ“ Can you write a function that deeply flattens an array?.

Google question вЂ“ Given 2 identical DOM trees (but not equal) and one element of the first DOM tree, how would you find this element in the second DOM tree?.

Airbnb question вЂ“ What are the advantages of using ES6 maps over objects? What about using ES6 sets over arrays?.

Facebook question вЂ“ Explain the concept of ES6 promises to a 5-year-old.