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  1. Home
  2. Salesforce Certification
  3. JavaScript-Developer-I Exam
  4. Salesforce.JavaScript-Developer-I.v2023-09-09.q190 Dumps
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Question 156

Refer to the code below:
new Promise((resolve, reject) => {
const fraction = Math.random();
if( fraction >0.5) reject("fraction > 0.5, " + fraction);
resolve(fraction);
})
.then(() =>console.log("resolved"))
.catch((error) => console.error(error))
.finally(() => console.log(" when am I called?"));

When does Promise.finally on line 08 get called?

Correct Answer: B
insert code

Question 157

Refer to the following code block:

What is the console output?

Correct Answer: A
insert code

Question 158

Which two console logs out NaN?
Choose 2 answers

Correct Answer: C,D
insert code

Question 159

What is the result of the code block?

Correct Answer: D
insert code

Question 160

Refer to the following code:
01 function Tiger(){
02 this.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 //Insert code here
18 leo.roar();
Which two statements could be inserted at line 17 to enable the function call on line 18?
Choose 2 answers.

Correct Answer: B,D
insert code
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