JavaScript Developer I exam

A developer is leading the creation of a new browser application that will serve a single page application. The team wants to use a new web framework Minimalsit.js. The Lead developer wants to advocate for a more seasoned web framework that already has a community around it. Which two frameworks...

Which option is a core Node,js module?A . Path B. Ios C. Memory D. locateView AnswerAnswer: A

Considering type coercion, what does the following expression evaluate to? True + ‘13’ + NaNA . ‘ 113Nan ’ B. 14 C. ‘ true13 ’ D. ‘ true13NaN ’View AnswerAnswer: D

A developer is required to write a function that calculates the sum of elements in an array but is getting undefined every time the code is executed. The developer needs to find what is missing in the code below. Const sumFunction = arr => { Return arr.reduce((result, current) => {...

Refer to the code below: Which value can a developer expect when referencing country,capital,cityString?A . 'London' B. undefined C. An error D. 'NaN'View AnswerAnswer: D

Which three actions can be using the JavaScript browser console? Choose 3 answers:A . View and change DOM the page. B. Display a report showing the performance of a page. C. Run code that is not related to page. D. view, change, and debug the JavaScript code of the page....

Refer to the code below: let timeFunction =() => { console.log(‘Timer called.”); }; let timerId = setTimeout (timedFunction, 1000); Which statement allows a developer to cancel the scheduled timed function?A . removeTimeout(timedFunction); B. removeTimeout(timerId); C. clearTimeout(timerId); D. clearTimeout(timedFunction);View AnswerAnswer: C

A developer uses a parsed JSON string to work with user information as in the block below: 01 const userInformation ={ 02 “ id ” : “user-01”, 03 “email” : “[email protected]”, 04 “age” : 25 Which two options access the email attribute in the object? Choose 2 answersA . userInformation(“email”)...

Given the following code: is the output of line 02?A . ''x'' B. ''null''' C. ''object'' D. ''undefined''View AnswerAnswer: C

CORRECT TEXT Refer the following code what is the value of array after code executes?View AnswerAnswer: [ 1, 2, 3, 5 ]