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Free Salesforce Javascript-Developer-I Sample Questions
Question 1
A developer wants to define a function log to be used a few times on a single-fileJavaScript script.01 // Line 1 replacement02 console.log('"LOG:', logInput);03 }Which two options can correctly replace line 01 and declare the function for use?Choose 2 answers
A. function leg(logInput) {
B. const log(loginInput) {
C. const log = (logInput) => {
D. function log = (logInput) {
Answer: A,C
Question 2
A developer wants to create an object from a function in the browser using the codebelow:Function Monster() { this.name =‘hello’ };Const z = Monster();What happens due to lack of the new keyword on line 02?
A. The z variable is assigned the correct object.
B. The z variable is assigned the correct object but this.name remains undefined.
C. Window.name is assigned to ‘hello’ and the variable z remains undefined.
D. Window.m is assigned the correct object.
Answer: C
Question 3
A developer uses a parsed JSON string to work with userinformation as in the block below:01 const userInformation ={02 “ id ” : “user-01”,03 “email” : “user01@universalcontainers.demo”,04 “age” : 25Which two options access the email attribute in the object?Choose 2 answers
A. userInformation(“email”)
B. userInformation.get(“email”)
C. userInformation.email
D. userInformation(email)
Answer: A,C
Question 4
Considering type coercion, what does the following expression evaluate to?True + ‘13’ + NaN
A. ‘ 113Nan ’
B. 14
C. ‘ true13 ’
D. ‘ true13NaN ’
Answer: D
Question 5
A developer creates a class that represents a blog post based on the requirement that aPost should have a body author and view count.The Code shown Below:ClassPost {// Insert code hereThis.body =bodyThis.author = author;this.viewCount = viewCount;}}Which statement should be inserted in the placeholder on line 02 to allow for a variable tobe setto a new instanceof a Post with the three attributes correctly populated?
A. super (body, author, viewCount) {
B. Function Post (body, author, viewCount) {
C. constructor (body, author, viewCount) {
D. constructor() {
Answer: C
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