JAVASCRIPT-DEVELOPER-I NEW QUESTIONS - EXAM JAVASCRIPT-DEVELOPER-I COST

JavaScript-Developer-I New Questions - Exam JavaScript-Developer-I Cost

JavaScript-Developer-I New Questions - Exam JavaScript-Developer-I Cost

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Salesforce JavaScript-Developer-I Certification Exam is designed to test an individual's knowledge of JavaScript and its implementation within the Salesforce platform. Salesforce Certified JavaScript Developer I Exam certification is ideal for developers who have experience with JavaScript and want to specialize in building custom applications on the Salesforce platform. JavaScript-Developer-I Exam consists of 60 multiple-choice questions and must be completed within 105 minutes.

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Salesforce Certified JavaScript Developer I Exam Sample Questions (Q103-Q108):

NEW QUESTION # 103
Refer to the following code:

What will the console when the button is clicked?

  • A. Inner message
  • B. Outer message
  • C. Outer message
  • D. Inner message

Answer: C


NEW QUESTION # 104
Refer to the code below:
01 const server = require('server');
02 /* Insert code here */
A developer imports a library that creates a web server. The imported library uses events and callbacks to start the servers Which code should be inserted at the line 03 to set up an event and start the web server ?

  • A. console.log( 'Listening on ', port) ;
  • B. server.on(' connect ' , ( port) => {
    console.log('Listening on ' , port) ;})
  • C. serve(( port) => (
  • D. server()
  • E. Server.start ();

Answer: B


NEW QUESTION # 105
Which three statements are true about promises?
The executor of a new promise runs automatically.

  • A. A promise has a . then 90 method.
  • B. A fulfilled or rejected promise will not change states.
  • C. A settled promises can become resolved.
  • D. A pending promise can become fulfilled, settled or rejected.

Answer: A,B,C


NEW QUESTION # 106
Refer to following code:
class Vehicle {
constructor(plate) {
This.plate =plate;
}
}
Class Truck extends Vehicle {
constructor(plate, weight) {
//Missing code
This.weight = weight;
}
displayWeight() {
console.log('The truck ${this.plate} has a weight of ${this.weight} lb.');}}
Let myTruck = new Truck('123AB', 5000);
myTruck.displayWeight();
Which statement should be added to line 09 for the code to display 'The truck 123AB has a
weight of 5000lb.'?

  • A. Vehicle.plate = plate;
  • B. Super.plate =plate;
  • C. super(plate);
  • D. This.plate =plate;

Answer: C


NEW QUESTION # 107
Refer to the following code:
function test (val) {
If (val === undefined) {
return 'Undefined values!' ;
}
if (val === null) {
return 'Null value! ';
}
return val;
}
Let x;
test(x);
What is returned by the function call on line 13?

  • A. Undefined
  • B. 'Undefined values!'
  • C. 'Null value!'
  • D. Line 13 throws an error.

Answer: A


NEW QUESTION # 108
......

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