Online Access Free JavaScript-Developer-I Exam Questions

No.# Believe this should be the purpose of this quesiton is about case insensitve:

const searchText = "Yay! Salesforce is amazing!";
let result1 = searchText.search(/sales/i);
let result2 = searchText.search("sales");
console.log(result1);
console.log(result2);

No.# correct answer - a

No.# B answere

No.# D -> Right answer

No.# yes from the above

No.# Named export would require {} in import like
import { printPrice } from '/path/...';

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No.# A is correct, as it will increment the patch number and not minor.
^ is used for updating minor number

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No.# The correct answer is:
C. printPrice must be a named export

No.# Correct syntax is JSON.parse('"foo"')

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No.# A, C are correct.

No.# Option D is correct answer.

Option A: ' visible ' : ' hidden '
Explanation: The values 'visible' and 'hidden' are not valid for the display property. They are valid for the visibility property but not for display. This option is not correct.
Option B: ' name ' : ' block '
Explanation: The value 'name' is not a valid value for the display property. 'block' is a valid value, but since 'name' is invalid, this option is not correct.
Option C: ' hidden ' : ' visible '
Explanation: As with option A, 'hidden' and 'visible' are not valid values for the display property; they are for the visibility property. This option is not correct.
Option D: ' block ' : ' none '
Explanation: 'block' and 'none' are valid values for the display property. Setting account.style.display to 'none' hides the element, and 'block' makes it visible. This option is correct.

No.# Option A, B, D are right.


Option A: The information stored in the window.localStorage property

True: This information is always accessible via window.localStorage in the console, regardless of where the breakpoint is set.
Option B: The style, event listeners, and other attributes applied to the carSpeed DOM element

True: When the execution stops at the breakpoint, you can inspect the carSpeed DOM element, which includes its styles, event listeners, and other attributes.
Option C: A variable displaying the number of instances created for the Car Object

False: JavaScript does not natively track the number of instances created for a constructor function unless such functionality is explicitly implemented by the developer.
Option D: The values of the carSpeed and fourWheels variables

True: At the breakpoint, you can inspect the current values of the carSpeed and fourWheels variables in the console.