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Salesforce JS-Dev-101 Exam Syllabus Topics:

Topic	Details
Topic 1	Browser and Events: Covers DOM manipulation, event handling and propagation, browser-specific APIs, and using Browser Developer Tools to inspect code behavior.
Topic 2	Debugging and Error Handling: Covers proper error handling techniques and the use of the console and breakpoints to debug code.
Topic 3	Testing: Covers evaluating unit test effectiveness against a block of code and modifying tests to improve their coverage and reliability.
Topic 4	Server Side JavaScript: Covers Node.js implementations, CLI commands, core modules, and package management solutions for given scenarios.
Topic 5	Objects, Functions, and Classes: Covers function, object, and class implementations to meet business requirements, along with the use of modules, decorators, variable scope, and execution flow.
Topic 6	Variables, Types, and Collections: Covers declaring and initializing variables, working with strings, numbers, dates, arrays, and JSON, along with understanding type coercion and truthy falsy evaluations.

>> Exam JS-Dev-101 Cram Questions <<

Salesforce Certified JavaScript Developer - Multiple Choice Sample Questions (Q113-Q118):

NEW QUESTION # 113
Refer to the code below:

Considering that JavaScript is single-threaded, what is the output of line 08 after the code executes?

A. 0
B. 1
C. 2
D. 3

Answer: D

NEW QUESTION # 114
Cloud Kicks has a class to represent items for sale in an online store, as shown below:
Class Item{
constructor (name, price){
this.name = name;
this.price = price;
}
formattedPrice(){
return 's' + String(this.price);}}
A new business requirement comes in that requests a ClothingItem class that should have all of the properties and methods of the Item class but will also have properties that are specific to clothes.
Which line of code properly declares the clothingItem class such that it inherits from Item?

A. Class ClothingItem extends Item {
B. Class ClothingItem {
C. Class ClothingItem implements Item{
D. Class ClothingItem super Item {

Answer: A

NEW QUESTION # 115
Refer to the following code:
Let sampleText = 'The quick brown fox jumps';
A developer needs to determine if a certainsubstring is part of a string.
Which three expressions return true for the given substring ?
Choose 3 answers

A. sampleText.includes(' fox ');
B. sampleText.includes(' Fox ', 3)
C. sampleText.includes(' quick ') !== -1;
D. sampleText.includes(' quick ', 4);
E. sampleText.includes('fox');

Answer: A,C,D

NEW QUESTION # 116
Most accurate tests for const arr = Array(5).fill(0);:

A. console.assert(arr[5] === 0 && arr.length === 0);
B. arr.forEach(e => console.assert(e === 0));
C. console.assert(arr.length === 5);
D. console.assert(arr.length === 0);

Answer: B,C

NEW QUESTION # 117
Which two code snippets showworking examples of a recursive function?
Choose 2 answers

A. Let countingDown = function(startNumber) {If ( startNumber >0) {console.log(startNumber) ;return countingDown(startNUmber);} else {return startNumber;}};
B. Const factorial =numVar => {If (numVar < 0) return;If ( numVar === 0 ) return 1;returnnumVar * factorial ( numVar - 1 );};
C. Const sumToTen = numVar => {If (numVar < 0)Return;return sumToTen(numVar + 1)};
D. Function factorial ( numVar ) {If (numVar < 0) return;If ( numVar === 0 ) return 1;return numVar -1;

Answer: A,B

NEW QUESTION # 118
......

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Exam JS-Dev-101 Cram Questions & Test JS-Dev-101 Questions Fee

Salesforce JS-Dev-101 Exam Syllabus Topics:

TOP Exam JS-Dev-101 Cram Questions - Salesforce Salesforce Certified JavaScript Developer - Multiple Choice - High Pass-Rate Test JS-Dev-101 Questions Fee

Salesforce Certified JavaScript Developer - Multiple Choice Sample Questions (Q113-Q118):