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Salesforce Certified JavaScript Developer (JS-Dev-101) Sample Questions (Q84-Q89):

NEW QUESTION # 84
developer publishes a new version of a package with new features that do not break
backward compatibility. The previous version number was 1.1.3.
Following semantic versioning format, what should the new package version number
be?

Answer: A


NEW QUESTION # 85
HTML:
< p > The current status of an Order: < span id= " status " > In Progress < /span > < /p > Which JavaScript statement changes ' In Progress ' to ' Completed ' ?

Answer: A

Explanation:
To select an element by ID, JavaScript uses:
document.getElementById( " status " )
The ID must be passed without any selector prefixes (no dot, no hash).
Then, to update the text inside:
element.innerHTML = ' Completed ' ;
Why the others are wrong:
* A uses " .status " which would match a CSS class, not an ID.
* B incorrectly prepends #, which is used in CSS selectors but not in getElementById.
* D attempts to use .Value with capital V, which is incorrect for DOM text; .value only applies to form elements.
Thus, option C is correct.
JavaScript Knowledge References (text-only)
* getElementById takes a raw ID string with no prefixes.
* innerHTML updates an element's displayed HTML content.


NEW QUESTION # 86
Which statement can a developer apply to increment the browser's navigation history without a page refresh?

Answer: D


NEW QUESTION # 87
Refer to the following object:
01 const cat = {
02 firstName: ' Fancy ' ,
03 lastName: ' Whiskers ' ,
04 get fullName(){
05 return this.firstName + ' ' + this.lastName;
06 }
07 };
How can a developer access the fullName property for cat?

Answer: B

Explanation:
* fullName is defined as a getter :
get fullName() { ... }
Getters are accessed like properties , not like functions.
So:
cat.fullName; // " Fancy Whiskers "
No parentheses.
Why others are wrong:
* A: cat.fullName() tries to call the returned string as a function.
* B and C: These properties (get, function) do not exist; they are misinterpretations of syntax.


NEW QUESTION # 88
Given the HTML below:

Which statement adds the priority-account css class to the Applied Shipping row?

Answer:

Explanation:
document.querySelector('#row-as').classList.add('priority-account');


NEW QUESTION # 89
......

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