ExamGecko
Search Search Login
Home Home / Salesforce / Certified JavaScript Developer I
Question list
Search
Search

List of questions

Search
Open VPLUS File
Convert VPLUS to PDF

Related questions

Given the expressions var1 and var2, what are two valid ways to return the concatenation of the two expressions and ensure it is string? Choose 2 answers
What is the result of the code block?
Refer to the code below: let sayHello = () => { console.log ('Hello, world!'); }; Which code executes sayHello once, two minutes from now?
Refer to the following code: <html lang="en"> <body> <div onclick = "console.log('Outer message') ;"> <button id ="myButton">CLick me<button> </div> </body> <script> function displayMessage(ev) { ev.stopPropagation(); console.log('Inner message.'); } const elem = document.getElementById('myButton'); elem.addEventListener('click' , displayMessage); </script> </html> What will the console show when the button is clicked?
A developer creates a generic function to log custom messages in the console. To do this, the function below is implemented. 01 function logStatus(status){ 02 console./*Answer goes here*/{'Item status is: %s', status}; 03 } Which three console logging methods allow the use of string substitution in line 02?
GIven a value, which three options can a developer use to detect if the value is NaN? Choose 3 answers !
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?
Given the HTML below: Which statement adds the priority-account CSS class to the Universal Containers row?
A developer needs to debug a Node.js web server because a runtime error keeps occurring at one of the endpoints. The developer wants to test the endpoint on a local machine and make the request against a local server to look at the behavior. In the source code, the server, js file will start the server. the developer wants to debug the Node.js server only using the terminal. Which command can the developer use to open the CLI debugger in their current terminal window?
Refer to HTML below: <div id ="main"> <div id = " card-00">This card is smaller.</div> <div id = "card-01">The width and height of this card is determined by its contents.</div> </div> Which expression outputs the screen width of the element with the ID card-01?

Question 90 - Certified JavaScript Developer I discussion

Report
Export

Which code statement below correctly persists an objects in local Storage ?

A.
const setLocalStorage = (storageKey, jsObject) => {window.localStorage.setItem(storageKey, JSON.stringify(jsObject));}
Answers
A.
const setLocalStorage = (storageKey, jsObject) => {window.localStorage.setItem(storageKey, JSON.stringify(jsObject));}
B.
const setLocalStorage = ( jsObject) => {window.localStorage.connectObject(jsObject));}
Answers
B.
const setLocalStorage = ( jsObject) => {window.localStorage.connectObject(jsObject));}
C.
const setLocalStorage = ( jsObject) => {window.localStorage.setItem(jsObject);}
Answers
C.
const setLocalStorage = ( jsObject) => {window.localStorage.setItem(jsObject);}
D.
const setLocalStorage = (storageKey, jsObject) => {window.localStorage.persist(storageKey, jsObject);}
Answers
D.
const setLocalStorage = (storageKey, jsObject) => {window.localStorage.persist(storageKey, jsObject);}
Suggested answer: A
Show Answer
asked 23/09/2024
Martin Gucký
51 questions
PreviousPreviousNextNext
User
Your answer:
0 comments
Sorted by

Leave a comment first

ExamGecko

Copyright @2023 ExamGecko | All right reserved

Mail us: [email protected]
About us
Contact us
Twitter X
Facebook
Medium
Convert VPLUS to PDF
Open VPLUS files Easily and Quickly
Privacy Policy
Disclaimer
Terms