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Salesforce Certified JavaScript Developer I Exam
- Topic 1: Given a scenario and requirements, distinguish which Node.Js Package Management solution is the most fitting/ Given a business requirement, utilize strings, numbers, and dates effectively
- Topic 2: Given a JavaScript module, give examples of how to use the module/ Given a scenario, write code to create variables and initialize them correctly
- Topic 3: Given a scenario and requirements, infer which Node.js CLI command is a good solution/ Given a list of data, demonstrate data manipulation with arrays
- Topic 4: Given a business requirement, utilize Events, event handlers and propagation/ Given a specific scenario, distinguish truthy or falsey evaluations
- Topic 5: Demonstrate awareness of type coercion and its effects/ Given a block of code, analyze the variable scope and the execution flow
- Topic 6: Given a JavaScript decorator, give examples of how to use the decorator/ Use event loop and event monitor or determine loop outcomes
- Topic 7: Apply fundamentals of class implementation to solve the business requirement/ Know the core Node.js modules and given requirements, infer which Node.js library/framework is a good solution
- Topic 8: Apply fundamentals of object implementation to solve the business requirement/ Utilize the Browser Dev Tools to investigate code behavior
- Topic 9: Given a scenario and requirements, infer which Node.js implementation is a good solution/ Given a JSON response, demonstrate how to operate the JSON object
Free Salesforce Salesforce Certified JavaScript Developer I Exam Actual Questions
The questions for Salesforce Certified JavaScript Developer I were last updated On Jan. 24, 2023
A developer initiates a server with the file server,js and adds dependencies in the source codes package,json that are required to run the server.
Which command should the developer run to start the server locally?
Refer to the code below:
let car1 = new Promise((_ ,reject)=> setTimeout(reject,2000,"Car1 crashed in"));
let car2 = new Promise(resolve => setTimeout(resolve,1500,"Car2 completed"));
let car3 = new Promise(resolve => setTimeout(resolve,3000,"Car3 completed"));
Promise.race([car1,car2,car3])
.then(value=>{
let result = `${value} the race.`;
}).catch(err=>{
console.log('Race is cancelled.',err);
});
What is the value of result when promise.race execues?
A developer at Universal Containers is creating their new landing page based on HTML, CSS, and JavaScript.
To ensure that visitors have a good experience, a script named personalizeWebsiteContent needs to be executed when the webpage is fully loaded (HTML content and all related files), in order to do some custom initializations.
Which implementation should be used to call Fe:s:-a;::eHec5;te::.-.ter.: based on the business requirement above?
A developer has the function, shown below, that is called when a page loads.
Where can the developer see the log statement after loading the page in the browser?
A developer wants to use a module called DataPrettyPrint. This module exports one default function called printDate ().
How can a developer import and use the printDate() function?
A)
B)
C)
D)
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