100% Pass 2026 Salesforce JS-Dev-101: Salesforce Certified JavaScript Developer - Multiple Choice Perfect Real Exams
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Salesforce JS-Dev-101 Exam Syllabus Topics:
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Salesforce Certified JavaScript Developer - Multiple Choice Sample Questions (Q133-Q138):
NEW QUESTION # 133
Which two code snippets showworking examples of a recursive function?
Choose 2 answers
- A. Const sumToTen = numVar => {If (numVar < 0)Return;return sumToTen(numVar + 1)};
- B. Const factorial =numVar => {If (numVar < 0) return;If ( numVar === 0 ) return 1;returnnumVar * factorial ( numVar - 1 );};
- C. Function factorial ( numVar ) {If (numVar < 0) return;If ( numVar === 0 ) return 1;return numVar -1;
- D. Let countingDown = function(startNumber) {If ( startNumber >0) {console.log(startNumber) ;return countingDown(startNUmber);} else {return startNumber;}};
Answer: B,D
NEW QUESTION # 134
01 let a = "*";
02 let b = "**";
/ 7 x = 3;
04 console.log(a);
What is displayed when the code executes?
- A. a
- B. ReferenceError: a is not defined
- C. undefined
- D. null
Answer: C
NEW QUESTION # 135
Given the JavaScript below:
Which code should replace the placeholder comment on line 05 to highlight accounts that match the search string'
- A. null : 'yellow'
- B. 'yellow : 'none'
- C. 'yellow' : null
- D. 'none1 : "yellow'
Answer: B
NEW QUESTION # 136
A developer creates a genericfunction 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?
- A. Info
- B. Message
- C. Assert
- D. Error
- E. Log
Answer: A,D,E
NEW QUESTION # 137
Refer to the code below:
const pi = 3.1415926;
What is the data type of pi?
- A. Float
- B. Decimal
- C. Double
- D. Number
Answer: D
Explanation:
Comprehensive and Detailed Explanation From Exact Extract JavaScript Knowledge:
In JavaScript, there is only one numeric type for ordinary numbers: number.
JavaScript number is a double-precision 64-bit binary format (IEEE 754).
There is no separate float, double, or decimal type in core JavaScript.
So:
typeof pi === 'number';
Hence, the correct answer is:
A . Number
Options B, C, D are specific numeric types found in other languages (like C, Java, C#), not distinct types in JavaScript.
Study Guide Concepts:
JavaScript primitive types
typeof operator and number
Lack of separate float / double / decimal types in JS
________________________________________
NEW QUESTION # 138
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