Salesforce Certified JavaScript Developer Exam (JS-Dev-101) - SalesForce Actual Exam Questions
Last updated on May 12, 2026
Consider type coercion, what does the following expression evaluate to? True + 3 + ‘100’ + null
104
4100
‘3100null’
‘4100null’
to join the discussion
No discussions yet. Be the first to ask!
Delete Comment
Are you sure? This action cannot be undone.
Refer to the code below: Line 05 causes an error. What are the values of greeting and salutation once code completes?
Greeting is Hello and salutation is Hello, Hello.
Greeting is Goodbye and salutation is Hello, Hello.
Greeting is Goodbye and salutation is I say Hello.
Greeting is Hello and salutation is I say hello.
to join the discussion
No discussions yet. Be the first to ask!
Delete Comment
Are you sure? This action cannot be undone.
There is a new requirement for a developer to implement a currPrice method that will return the current price of the item or sales.. What is the output when executing the code above
50Uncaught TypeError: saleItem,desrcription is not a function5080
50805072
508072
5080Uncaught ReferenceError:this,discount is undefined72
to join the discussion
No discussions yet. Be the first to ask!
Delete Comment
Are you sure? This action cannot be undone.
A developer is trying to handle an error within a function. Which code segment shows the correct approach to handle an error without propagating it elsewhere?
Option A
Option B
Option C
Option D
to join the discussion
No discussions yet. Be the first to ask!
Delete Comment
Are you sure? This action cannot be undone.
Refer to the code below: Let str = ‘javascript’; Str[0] = ‘J’; Str[4] = ’S’; After changing the string indexvalues, the value of str is ‘javascript’. What is the reason for this value:
Non-primitive values are mutable.
Non-primitive values are immutable.
Primitive values are mutable.
Primitive values are immutable.
to join the discussion
No discussions yet. Be the first to ask!
Delete Comment
Are you sure? This action cannot be undone.
Finish Practice?
Are you sure you want to finish? This will end your practice session.