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Salesforce JS-Dev-101 Exam Syllabus Topics:

Topic	Details
Topic 1	Variables, Types, and Collections: Covers declaring and initializing variables, working with strings, numbers, dates, arrays, and JSON, along with understanding type coercion and truthy falsy evaluations.
Topic 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.
Topic 3	Debugging and Error Handling: Covers proper error handling techniques and the use of the console and breakpoints to debug code.
Topic 4	Asynchronous Programming: Covers asynchronous programming concepts and understanding how the event loop controls execution flow and determines outcomes.

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Salesforce Certified JavaScript Developer - Multiple Choice Sample Questions (Q108-Q113):

NEW QUESTION # 108
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. Let countingDown = function(startNumber) {If ( startNumber >0) {console.log(startNumber) ;return countingDown(startNUmber);} else {return startNumber;}};
C. Function factorial ( numVar ) {If (numVar < 0) return;If ( numVar === 0 ) return 1;return numVar -1;
D. Const factorial =numVar => {If (numVar < 0) return;If ( numVar === 0 ) return 1;returnnumVar * factorial ( numVar - 1 );};

Answer: B,D

NEW QUESTION # 109
A developer removes the HTML class attribute from the checkout button, so now it is simply:
<button>Checkout</button>
There is a test to verify the existence of the checkout button, however it looks for a button with class="blue". The test fails because no such button is found.
Which type of test category describes this test?

A. True negative
B. False negative
C. False positive
D. True positive

Answer: C

Explanation:
Definitions in testing context (treating "positive" as "test reports a bug/failure"):
True positive: System has a bug; test correctly fails.
False positive: System is correct; test fails (reports a bug that isn't actually a bug).
True negative: System has a bug; test correctly passes indicating "no success" in detection context (less common phrasing here).
False negative: System has a bug; test incorrectly passes (missed bug).
Here:
The real requirement, as stated, is to verify the existence of the checkout button.
The button still exists (<button>Checkout</button>), so the system behavior is correct regarding that requirement.
The test, however, is checking for an overly specific condition (class="blue"), which is not actually part of the stated requirement.
The test fails, saying there is a problem (no button with class="blue"), even though from the requirement standpoint, the checkout button is present.
So:
No real bug concerning presence of checkout button.
Test reports a failure → a false positive.
Therefore, the correct category is D, False positive.

NEW QUESTION # 110
Which option istrue about the strict mode in imported modules?

A. You can only reference notStrict() functions from the imported module.
B. Add the statement use strict =false; before any other statements in the module to enablenot- strict mode.
C. Imported modules are in strict mode whether you declare them as such or not.
D. Add the statement use non-strict, before any other statements in the module to enablenot-strict mode.

Answer: C

NEW QUESTION # 111
Given the code below:
01 function Person(name, email) {
02 this.name = name;
03 this.email = email;
04 }
05
06 const john = new Person('John', 'john@email.com');
07 const jane = new Person('Jane', 'jane@email.com');
08 const emily = new Person('Emily', 'emily@email.com');
09
10 let usersList = [john, jane, emily];
Which method can be used to provide a visual representation of the list of users and to allow sorting by the name or email attribute?

A. console.info(usersList);
B. console.groupCollapsed(usersList);
C. console.group(usersList);
D. console.table(usersList);

Answer: D

Explanation:
Comprehensive and Detailed Explanation From JavaScript Knowledge:
We have an array of plain objects:
[
{ name: 'John', email: 'john@email.com' },
{ name: 'Jane', email: 'jane@email.com' },
{ name: 'Emily', email: 'emily@email.com' }
]
We want:
A "visual representation" of the list.
Ability to sort by name or email in DevTools.
console.table:
console.table(data) renders data as a table in most browser devtools and Node consoles that support it.
Each object becomes a row; properties (name, email) become columns.
Many DevTools UIs allow:
Clicking column headers to sort by that column.
Filtering / viewing in a structured way.
So:
console.table(usersList);
Displays a sortable table of users by name or email. This matches the requirement exactly.
Other options:
console.group(usersList);
Starts a console group. The argument is just logged as a line label.
It does not create a table or sortable view; it just groups subsequent logs.
console.groupCollapsed(usersList);
Same grouping behavior, but collapsed by default.
Again, no table or sortable columns.
console.info(usersList);
Logs the array in the console, but as a standard log/info.
You can expand objects, but there is no table view or built-in column sorting.
Therefore, the correct method is:
Study Guide / Concept Reference (no links):
console.table for tabular logging
console.group and console.groupCollapsed for grouped logs
console.log / console.info standard logging behavior
DevTools UI support for sorting columns in console.table
________________________________________

NEW QUESTION # 112
Refer to the following code:

Which statement should be added to line 09 for the code to display. The boat has a capacity of 10 people?

A. super.size = size;
B. this.size = size;
C. ship.size size;
D. super (size);

Answer: B

NEW QUESTION # 113
......

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