試験問題と解答はJavaScript-Developer-I学習ガイド問題を試そう！ [Q24-Q38]

24、A developer receives a comment from the Tech lead that the code below gives an error.

Which line edit should be made to make this code run?

25、Refer to the following code:

Which two statements could be inserted at line 17 to enable the function call on line 18?
Choose 2 answers

26、Refer to the code below?
Let searchString = ‘ look for this ‘;
Which two options remove the whitespace from the beginning of searchString?
Choose 2 answers

27、developer uses the code below to format a date.

After executing, what is the value of formattedDate?

28、Refer to the following code that imports a module named utils:
import (foo, bar) from ‘/path/Utils.js’;
foo() ;
bar() ;
Which two implementations of Utils.js export foo and bar such that the code above runs without
error?
Choose 2 answers

29、In the browser, the window object is often used to assign variables that require the broadest scope in an application Node.js application does not have access to the window object by default.
Which two methods are used to address this ?
Choose 2 answers

30、Refer to the code below:

Line 05 causes an error.
What are the values of greeting and salutation once code completes?

31、Considering the implications of ‘use strict’ on line 04, which three statements describe the execution of the code?
Choose 3 answers

32、Given the following code:

is the output of line 02?

33、Refer to the code:

Given the code above, which three properties are set for pet1? Choose 3 answers

34、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

35、Which statement can a developer apply to increment the browser’s navigation history without a page refresh?
Which statement can a developer apply to increment the browser’s navigation history without a page refresh?

36、A developer has the function, shown below, that is called when a page loads.

Where can the developer see the log statement after loading the page in the browser?

37、Refer to the code below:
Const pi w 3.1415926;
What is the data type of pi?

38、A developer is creating a simple webpage with a button. When a user clicks this button for the first time, a message is displayed.
The developer wrote the JavaScript code below, but something is missing. The message gets displayed time a user clicks the button instead of just the first time.

Which two code lines make this code work as required? Choose 2 answers