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| Certification Vendor: | Salesforce |
|---|---|
| Exam Name: | Salesforce Certified JavaScript Developer I |
| Exam Number: | JS-Dev-001 |
| Certificate Validity Period: | 1 year (maintenance required via Salesforce certification maintenance modules) |
| Related Certifications: | Salesforce Certified Platform Developer I Salesforce Certified JavaScript Developer I Salesforce Certified Platform App Builder |
| Available Languages: | English |
| Passing Score: | 65% |
| Exam Duration: | 105 minutes |
| Real Exam Qty: | 60 |
| Exam Price: | USD 200 (may vary by region/tax) |
| Exam Format: | Multiple Choice, Multiple Select |
| Recommended Training: | Salesforce Trailhead JavaScript Developer I Prep Salesforce Developer Learning Paths |
| Exam Registration: | Salesforce Certification Registration (Webassessor) Salesforce Credentials Page |
| Sample Questions: | Salesforce JavaScript-Developer-I Sample Questions |
| Exam Way: | Online proctored or onsite testing via Kryterion Webassessor |
| Pre Condition: | No formal prerequisites, but familiarity with JavaScript and Salesforce platform development is strongly recommended. |
| Official Syllabus URL: | https://trailhead.salesforce.com/credentials/javascriptdeveloper1 |
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Salesforce JavaScript-Developer-I Certification Exam covers a variety of topics related to the development of custom applications on the Salesforce platform using JavaScript. These topics include but are not limited to data modeling, server-side development, client-side development, security, testing, and deployment. JavaScript-Developer-I Exam also covers the use of Lightning Web Components, Aura Components, and other Salesforce development tools and technologies.
NEW QUESTION # 144
Refer to the code declarations below:
Which three expressions return the string JavaScript?
Choose 3 answers
Answer: A,B,D
NEW QUESTION # 145
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?
Answer: C
Explanation:
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:
The answer: A
Study Guide / Concept References (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 # 146
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
Answer: A
NEW QUESTION # 147
developer has a web server running with Node.js. The command to start the web
server is node server,js. The web server started having latency issues. Instead of a one second
turn around for web requests, the developer now sees a five second turnaround,
Which command can the web developer run to see what the module is doing during the
latency period?
Answer: D
NEW QUESTION # 148
A developer executes:
document.cookie;
document.cookie = ' key=John Smith ' ;
What is the behavior?
Answer: B
Explanation:
* document.cookie retrieves the cookie string.
* Setting document.cookie = ' key=John Smith ' adds or updates only that one cookie.
Important details:
* Writing to document.cookie does not overwrite all cookies .
* The browser does not require URL encoding , though it is recommended. Non-encoded spaces are allowed and automatically handled.
* document.cookies does not exist; the correct property is document.cookie.
Therefore, the correct behavior:
* Cookies are read.
* A new cookie key=John Smith is set.
* Existing cookies remain.
JavaScript Knowledge References (text-only)
* Writing document.cookie appends or updates cookies, not replaces them.
* document.cookie is both getter and setter for cookie strings.
NEW QUESTION # 149
......
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