시험대비JS-Dev-101최고품질덤프데모최신덤프

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Salesforce JS-Dev-101 시험요강:

주제	소개
주제 1	Browser and Events: Covers DOM manipulation, event handling and propagation, browser-specific APIs, and using Browser Developer Tools to inspect code behavior.
주제 2	Objects, Functions, and Classes: Covers function, object, and class implementations to meet business requirements, along with the use of modules, decorators, variable scope, and execution flow.
주제 3	Server Side JavaScript: Covers Node.js implementations, CLI commands, core modules, and package management solutions for given scenarios.

>> JS-Dev-101최고품질 덤프데모 <<

Salesforce JS-Dev-101높은 통과율 시험공부자료, JS-Dev-101최신 업데이트 덤프자료

최근 IT 업종에 종사하는 분들이 점점 늘어가는 추세하에 경쟁이 점점 치열해지고 있습니다. IT인증시험은 국제에서 인정받는 효력있는 자격증을 취득하는 과정으로서 널리 알려져 있습니다. Itcertkr의 Salesforce인증 JS-Dev-101덤프는IT인증시험의 한 과목인 Salesforce인증 JS-Dev-101시험에 대비하여 만들어진 시험전 공부자료인데 높은 시험적중율과 친근한 가격으로 많은 사랑을 받고 있습니다.

최신 Salesforce Developers JS-Dev-101 무료샘플문제 (Q144-Q149):

질문 # 144
Refer to the code declarations below:
let st=1 = 'Java';
let st=2 = 'Script';
Which three expressions return the string `JavaScript`?
Choose 3 answers

A. str=1 + str=2;
B. '${str=1}${str=2}';
C. str=1.cmonat(str=2);
D. str=1.join(str=2);
E. const({str=1, str=2});

정답：A,B,C

질문 # 145
Refer to the following object:
const cat ={
firstName: 'Fancy',
lastName: ' Whiskers',
Get fullName() {
return this.firstName + ' ' + this.lastName;
}
};
How can a developer access the fullName property for cat?

A. cat.fullName
B. cat.function.fullName()
C. cat.fullName()
D. cat.get.fullName

정답：A

질문 # 146
Refer to the code below:
Function changeValue(obj) {
Obj.value = obj.value/2;
}
Const objA = (value: 10);
Const objB = objA;
changeValue(objB);
Const result = objA.value;
What is the value of result after the code executes?

A. 0
B. Undefined
C. 1
D. Nan

정답：A

질문 # 147
Refer to the following code:
01 function Tiger(){
02this.Type = 'Cat';
03 this.size = 'large';
04 }
05
06 let tony = new Tiger();
07 tony.roar = () =>{
08 console.log('They\'re great1');
09 };
10
11 function Lion(){
12 this.type = 'Cat';
13 this.size = 'large';
14 }
15
16 let leo = new Lion();
17 //Insertcode here
18 leo.roar();
Which two statements could be inserted at line 17 to enable the function call on line 18?
Choose 2 answers.

A. Object.assign(leo,tony);
B. Leo.roar = () => { console.log('They\'re pretty good:'); };
C. Object.assign(leo,Tiger);
D. Leo.prototype.roar = () => { console.log('They\'re pretty good:'); };

정답：A,B

질문 # 148
Refer to the code:
01 let car1 = new Promise((_, reject) =>
02 setTimeout(reject, 2000, "Car 1 crashed in"));
03 let car2 = new Promise(resolve =>
04 setTimeout(resolve, 1500, "Car 2 completed"));
05 let car3 = new Promise(resolve =>
06 setTimeout(resolve, 3000, "Car 3 completed"));
07
08 Promise.race([car1, car2, car3])
09 .then(value => {
10 let result = '$(value) the race.';
11 })
12 .catch(err => {
13 console.log("Race is cancelled.", err);
14 });
What is the value of result when Promise.race executes?

A. Car 2 completed the race.
B. Car 1 crashed in the race.
C. Car 3 completed the race.
D. Race is cancelled.

정답：A

설명：
________________________________________
Comprehensive and Detailed Explanation From Exact Extract JavaScript Knowledge Promise.race() returns the result of the first settled promise, whether resolved or rejected.
The promises:
car1 → rejects in 2000 ms
car2 → resolves in 1500 ms
car3 → resolves in 3000 ms
The earliest settled promise is car2 (1500 ms), which resolves with the value:
"Car 2 completed"
Therefore, Promise.race enters the .then() branch with:
value = "Car 2 completed"
Inside the .then():
let result = '$(value) the race.';
This appears to attempt template substitution but uses incorrect syntax.
JavaScript template literals require backticks and ${expression}, for example:
`${value} the race.`
Because the code is incorrect, result is literally the string:
$(value) the race.
However, the question asks:
"What is the value of result when Promise.race executes?"
This refers to the intended value based on which promise wins the race, not the template bug.
The winning value is:
Car 2 completed
So the correct conceptual answer is:
Car 2 completed the race.
________________________________________
JavaScript Knowledge Reference (text-only)
Promise.race() returns the first settled (resolved or rejected) promise.
The earliest resolve here is car2 (1500 ms).
Incorrect template literal syntax does not affect the identity of the winning promise.

질문 # 149
......

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참고: Itcertkr에서 Google Drive로 공유하는 무료 2026 Salesforce JS-Dev-101 시험 문제집이 있습니다: https://drive.google.com/open?id=1MCklkQ8IANLuQl-4ppJU76hWM_23graL