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| Section | Objectives |
|---|---|
| Topic 1: Testing and Debugging | - Unit testing principles - Debugging techniques and tools |
| Topic 2: Salesforce Platform Integration | - Security considerations in Salesforce JavaScript - Calling Apex methods from JavaScript - Lightning Web Components (LWC) JavaScript usage |
| Topic 3: JavaScript Language Fundamentals | - Data types, variables, and operators - Functions, scope, and closures - ES6+ syntax and features |
| Topic 4: Asynchronous JavaScript | - Event loop and concurrency model - Error handling in async workflows - Promises and async/await |
| Topic 5: Browser and DOM Interaction | - Browser APIs (fetch, storage, timers) - DOM manipulation and traversal - Event handling and propagation |
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NEW QUESTION # 78
Refer to the following code that performs a basic mathematical operation on a provided
input:
function calculate(num) {
Return (num +10) / 3;
}
How should line 02 be written to ensure that x evaluates to 6 in the line below?
Let x = calculate (8);
Answer: A
NEW QUESTION # 79
Refer to the code declarations below:
Which three expressions return the string JavaScript?
Choose 3 answers
Answer: A,B,D
NEW QUESTION # 80
A developer writers the code below to calculate the factorial of a given number.
Function factorial(number) {
Return number + factorial(number -1);
}
factorial(3);
What is the result of executing line 04?
Answer: D
NEW QUESTION # 81
Given the code below:
What is the expected output?
Answer: C
NEW QUESTION # 82
Given the code below:
01 function GameConsole (name) {
02 this.name = name;
03 }
04
05GameConsole.prototype.load = function(gamename) {
06 console.log( ` $(this.name) is loading agame : $(gamename) ...`);
07 )
08 function Console 16 Bit (name) {
09 GameConsole.call(this, name) ;
10 }
11 Console16bit.prototype = Object.create ( GameConsole.prototype) ;
12 //insert code here
13 console.log( ` $(this.name) is loading a cartridge game :$(gamename) ...`);
14 }
15 const console16bit = new Console16bit(' SNEGeneziz ');
16 console16bit.load(' Super Nonic 3x Force ');
What should a developer insert at line 15 to output the following message using the method ?
> SNEGeneziz is loading a cartridgegame: Super Monic 3x Force . . .
Answer: B
NEW QUESTION # 83
......
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