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Salesforce is a cloud-based software that provides customer relationship management (CRM) and other business solutions. As a widely adopted CRM platform, Salesforce offers various certifications that enable professionals to demonstrate their skills in different areas of Salesforce. Among these certifications is the Salesforce Certified JavaScript Developer I, which focuses on JavaScript and its integration with Salesforce.

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Salesforce is a cloud-based software company that offers a wide range of tools and services for businesses of all sizes. One of the most popular offerings from Salesforce is their JavaScript-Developer-I exam, which certifies developers in the use of JavaScript for building applications on the Salesforce platform. Salesforce Certified JavaScript Developer (JS-Dev-101) certification is a must-have for any developer looking to advance their career in the Salesforce ecosystem.

Salesforce JavaScript-Developer-I Certification Exam is designed to test the skills and knowledge of individuals who work with Salesforce’s Lightning Web Components (LWC) and Aura Components. JavaScript-Developer-I Exam is intended for developers who have experience building custom applications on the Salesforce platform using JavaScript. Salesforce Certified JavaScript Developer (JS-Dev-101) certification demonstrates the ability to design, develop, and deploy scalable and maintainable custom applications that meet the requirements of businesses and organizations.

Salesforce Certified JavaScript Developer (JS-Dev-101) Sample Questions (Q75-Q80):

NEW QUESTION # 75
Console logging methods that allow string substitution:

A. message
B. error
C. info
D. log
E. assert

Answer: B,C,D,E

Explanation:
The correct answers are B, C, D, and E .
JavaScript browser consoles support string substitution in several console output methods. String substitution means using placeholders such as:
%s
%d
%i
%f
%o
%O
%c
Example:
console.log( " User name is %s and age is %d " , " Alex " , 25);
Output:
User name is Alex and age is 25
The valid console methods from the given options are:
Option
Method
Correct?
Reason
A
message
No
console.message() is not a standard console method.
B
log
Yes
console.log() supports formatted string substitution.
C
assert
Yes
console.assert() can output a formatted message when the assertion is false.
D
info
Yes
console.info() supports formatted output like console.log().
E
error
Yes
console.error() supports formatted output and displays an error-style message.
Example with these valid methods:
console.log( " Name: %s " , " John " );
console.info( " Score: %d " , 95);
console.error( " Error code: %d " , 500);
console.assert(false, " Failed check for user: %s " , " Admin " );
So the verified answers are B, C, D, and E .

NEW QUESTION # 76
Given the JavaScript below:

Which code should replace the placeholder comment on line 05 to highlight accounts that match the search string'

A. 'yellow' : null
B. 'yellow : 'none'
C. 'none1 : "yellow'
D. null : 'yellow'

Answer: B

NEW QUESTION # 77
A developer wants to create an object from a function in the browser using the code below.

What happens due to the lack of the mm keyword on line 02?

A. The m variable is assigned the correct object.
B. window.m Is assigned the correct object.
C. window.name is assigned to 'hello' and the variable = remains undefined.
D. The m variable is assigned the correct object but this.name remains undefined.

Answer: C

NEW QUESTION # 78
function myFunction() {
a = a + b;
var b = 1;
}
myFunction();
console.log(a);
console.log(b);
Which statement is correct?

A. Line 08 outputs the variable, but line 09 throws an error.
B. Both line 02 and 03 are executed, but the values printed are undefined.
C. Both line 02 and 03 are executed, and the variables are hoisted.
D. Line 02 throws a reference error, therefore line 03 is never executed.

Answer: D

Explanation:
The correct answer is A , not D.
Inside myFunction(), the declaration:
var b = 1;
is hoisted to the top of the function scope, but only the declaration is hoisted, not the assignment. So internally, JavaScript treats the function approximately like this:
function myFunction() {
var b;
a = a + b;
b = 1;
}
Now examine this line:
a = a + b;
Before JavaScript can assign a value to a, it must first evaluate the right-hand side:
a + b
At this point:
b
exists locally because var b was hoisted, so its value is:
undefined
However:
a
has not been declared anywhere. Reading an undeclared variable causes a:
ReferenceError
So this line throws an error before assignment happens:
a = a + b;
Because the error occurs on that line, the next line inside the function is never executed:
var b = 1;
Also, because the error is not handled with try...catch, the program stops before reaching:
console.log(a);
console.log(b);
Therefore, the accurate statement is:
Line 02 throws a reference error, therefore line 03 is never executed.
So the verified answer is A .

NEW QUESTION # 79
A developer has code that calculates a restaurant bill, but generates incorrect answers
while testing the code:
function calculateBill ( items ) {
let total = 0;
total += findSubTotal(items);
total += addTax(total);
total += addTip(total);
return total;
}
Which option allows the developer to step into each function execution within calculateBill?

A. Calling the console.trace (total) method on line 03.
B. Wrapping findSubtotal in a console.log() method.
C. Using the debugger command on line 03
D. Using the debugger command on line 05.

Answer: D

NEW QUESTION # 80
......

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