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Salesforce JavaScript-Developer-I Certification Exam is a challenging but rewarding certification that can help developers enhance their skills and advance their careers. By passing JavaScript-Developer-I exam, developers can demonstrate their expertise in JavaScript programming, web development, and the Salesforce Lightning platform, and set themselves apart as leaders in their field.

Salesforce JavaScript-Developer-I certification is ideal for developers who are looking to build their skills in developing custom applications on the Salesforce platform using JavaScript. Salesforce Certified JavaScript Developer (JS-Dev-101) certification validates the candidate's knowledge of Salesforce development best practices, including how to design and implement custom user interfaces, create custom business logic using Apex, and integrate with external systems using REST and SOAP APIs.

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Benefits in Obtaining Salesforce JavaScript-Developer-I Certification

With the introduction of the Lightning Experience by Salesforce, it is possible to develop cool, looking applications for a wide range of tasks. Admins have been able to create beautiful pages for their objects more than ever, with an interface entirely tailored for each user.For developers, the same application has never before been possible for Salesforce developers to create applications that stretch well beyond Salesforce's declarative features. It's all achieved with the use of a JavaScript application for Lightning & Lightning Web components.

The certification for JavaScript Developer I has just been released and fills a large gap in the certification list for Salesforce. Salesforce Developers who want to prove their Lightning skills, but also new entrants into the Salesforce community, are certified to demonstrate that they know what is relevant. A typical Salesforce 60 multi-choice test is split into two parts and is influenced by a super badge (Similar to Developer II certification).

Salesforce Certified JavaScript Developer (JS-Dev-101) Sample Questions (Q81-Q86):

NEW QUESTION # 81
Given the code below:
Function myFunction(){
A =5;
Var b =1;
}
myFunction();
console.log(a);
console.log(b);
What is the expected output?

A. Line 08 outputs the variable, but line 09 throws an error.
B. Both lines 08 and 09 are executed, but values outputted are undefined.
C. Line 08 thrones an error, therefore line 09 is never executed.
D. Both lines 08 and 09 are executed, and the variables are outputted.

Answer: A

NEW QUESTION # 82
Refer to the code below:
for(let number =2 ; number <= 5 ; number += 1 ) {
// insert code statement here
}
The developer needs to insert a code statement in the location shown. The code
statement has these requirements:
1. Does require an import
2. Logs an error when the boolean statement evaluates to false
3. Works in both the browser and Node.js
Which meet the requirements?

A. console.debug(number % 2 === 0);
B. console.error(number % 2 === 0);
C. console.assert(number % 2 === 0);
D. assert (number % 2 === 0);

Answer: B

NEW QUESTION # 83
Given the HTML below:

Which statement adds the priority-account CSS class to the Universal Containers row?

A. document. queryselector('#row-uc').ClassList.add('priority-account');
B. document. querySelectorAll('#row-uc') -classList.add("priority-accour');
C. document. getElementByid('row-uc').addClass('priority-account*);
D. document. querySelector (#row-uc'). classes-push('priority-account');

Answer: A

NEW QUESTION # 84
Given the code below:
let numValue = 1982;
Which three code segments result in a correct conversion from number to string?

A. let strValue = (String)numValue;
B. let strValue = numValue.toString();
C. let strValue = numValue.toText();
D. let strValue = ' ' + numValue;
E. let strValue = String(numValue);

Answer: B,D,E

Explanation:
We want to convert the number 1982 to a string.
Check each option:
* A. numValue.toText()
* There is no standard toText() method on numbers.
* This will result in TypeError: numValue.toText is not a function.
* B. String(numValue);
* String() as a function converts its argument to a string.
* String(1982) returns " 1982 " .
* This is correct.
* C. ' ' + numValue;
* ' ' is a string; + with a string operand performs string concatenation.
* ' ' + 1982 # " 1982 " .
* This is a common shorthand for number-to-string conversion.
* D. numValue.toString();
* Number.prototype.toString() converts the number to its string representation.
* 1982..toString() or (1982).toString() returns " 1982 " .
* For the variable, numValue.toString() is valid: " 1982 " .
* E. (String)numValue;
* This is not valid JavaScript casting syntax; it is more like a C/Java-style cast.
* In JavaScript, that is parsed as a grouping expression (String) and then numValue; it does not convert numValue to a string.
Thus the correct answers are:
* B. String(numValue);
* C. ' ' + numValue;
* D. numValue.toString();
Relevant concepts: primitive type conversion, String() casting, .toString(), coercion via + with strings.

NEW QUESTION # 85
Refer to the code below:

What is result of the code block?

A. The console logs 'flag' and another flag',
B. The console logs only 'flag',
C. The console logs flag' and then an error is thrown.
D. An error is thrown.

Answer: C

NEW QUESTION # 86
......

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