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Salesforce JavaScript-Developer-I Exam Syllabus Topics:

Topic	Details
Topic 1	Objects, Functions, and Classes: In this section, the focus is on applying object-oriented principles, functions, and classes. As a Salesforce JavaScript programmer, you will need to locate optimal function implementations and understand how to structure objects and classes for business solutions. You will also be tested on your ability to use JavaScript modules and decorators, while analyzing variable scope and execution flow.
Topic 2	Debugging and Error Handling: This section will measure the ability of JavaScript programmer to properly handle errors and debug JavaScript code. You will be expected to apply debugging techniques, such as using the console and breakpoints, to resolve issues. Proper error handling is crucial, and the exam will evaluate your skills in managing and correcting errors efficiently within your code.
Topic 3	Asynchronous Programming: Asynchronous programming is a key concept in JavaScript, and this section tests your understanding of event loops, asynchronous code execution, and handling promises. Salesforce JavaScript programmer will need to demonstrate their ability to implement asynchronous solutions for business requirements.
Topic 4	Server Side JavaScript: This section focuses on Node.js and server-side JavaScript. Salesforce JavaScript programmers will be tested on their ability to identify appropriate Node.js implementations and commands for given scenarios. Additionally, you will need to recognize which Node.js core modules, libraries, and package management solutions fit specific requirements, reflecting your understanding of server-side development with JavaScript.

Salesforce JavaScript-Developer-I Exam measures the developer's knowledge of the Salesforce platform, including its capabilities and limitations. It assesses their ability to design, develop, test, and deploy custom applications on the Salesforce platform using JavaScript. JavaScript-Developer-I exam also includes questions related to various Salesforce tools, such as Apex, Visualforce, and Lightning Web Components.

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Salesforce Certified JavaScript Developer I Exam Sample Questions (Q208-Q213):

NEW QUESTION # 208
Given the following code:

What will be the first four numbers logged?

A. 0122
B. 0012
C. 0123
D. 0112

Answer: D

NEW QUESTION # 209
Refer to the following code:
01 function Tiger(){
02 this.Type = 'Cat';
03 this.size = 'large';
04 }
05
06 let tony = new Tiger();
07 tony.roar = () =>{
08 console.log('They're great1');
09 };
10
11 function Lion(){
12 this.type = 'Cat';
13 this.size = 'large';
14 }
15
16 let leo = new Lion();
17 //Insert code here
18 leo.roar();
Which two statements could be inserted at line 17 to enable the function call on line 18?
Choose 2 answers.

A. Object.assign(leo,Tiger);
B. Object.assign(leo,tony);
C. Leo.roar = () => { console.log('They're pretty good:'); };
D. Leo.prototype.roar = () => { console.log('They're pretty good:'); };

Answer: B,C

NEW QUESTION # 210
Refer to the code below:
01 const exec = (item, delay) =>{
02 new Promise(resolve => setTimeout( () => resolve(item), delay)),
03 async function runParallel() {
04 Const (result1, result2, result3) = await Promise.all{
05 [exec ('x', '100') , exec('y', 500), exec('z', '100')]
06 );
07 return `parallel is done: $(result1) $(result2)$(result3)`;
08 }
}
}
Which two statements correctly execute the runParallel () function?
Choose 2 answers

A. runParallel () .then(data);
B. runParallel ( ). done(function(data){
return data;
});
C. runParallel () .then(function(data)
return data
D. Async runParallel () .then(data);

Answer: B,C

NEW QUESTION # 211
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

A. 50
Uncaught TypeError: saleItem,desrcription is not a function
50
80
B. 50
80
72
C. 50
80
50
72
D. 50
80
Uncaught Reference Error:this,discount is undefined
72

Answer: C

NEW QUESTION # 212
Refer to the code below:
function changeValue(param) {
Param =5;
}
Let a =10;
Let b =5;
changeValue(b);
Const result = a+ " - "+ b;
What is the value of result when code executes?

A. 5 - 10
B. 5 -5
C. 10 - 5
D. 10 -10

Answer: D

NEW QUESTION # 213
......

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100% Pass Salesforce - Latest JavaScript-Developer-I - Salesforce Certified JavaScript Developer I Exam Practice Exam Questions

Salesforce JavaScript-Developer-I Exam Syllabus Topics:

Reliable JavaScript-Developer-I Dumps Ppt & JavaScript-Developer-I Valid Cram Materials

Salesforce Certified JavaScript Developer I Exam Sample Questions (Q208-Q213):

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