JavaScript Developer I V1

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 ]

Refer to the code below let inArray = [[1,2],[3,4,5]]; which two statements results in the array [1,2,3,4,5]? choose 2 answerA . [ ].concat(...inArray); B. [ ].concat.apply(inArray,[ ]); C. [ ].concat([...inArray]) D. [ ].concat.apply([ ],inArray);View AnswerAnswer: A,D

There is a new requirement for a developer to implement a currPrice method that will return the current price of the item or sales. What is the output when executing the code above?A . 50 Uncaught TypeError: saleItem,desrcription is not a function 50 80 B. 50 80 50 72 C....

A developer wrote the following code to test a sum3 function that takes in an array of numbers and returns the sum of the first three numbers in the array, and the test passes. A different developer made changes to the behavior of sum3 to instead sum only the first...

Consider type coercion, what does the following expression evaluate to? True + 3 + ‘100’ + nullA . 104 B. 4100 C. ‘3100null’ D. ‘4100null’View AnswerAnswer: D

A developer writers the code below to calculate the factorial of a given number. Function factorial(number) { Return number + factorial(number -1); } factorial(3); What is the result of executing line 04?A . 0 B. 6 C. -Infinity D. RuntimeErrorView AnswerAnswer: D