Free Salesforce JS-Dev-101 Exam Dumps Questions & Answers

Refer to the code below:
const pi = 3.1415926;
What is the data type of pi?

• A.Float
• B.Decimal
• C.Double
• D.Number

Original constructor function:
01 function Vehicle(name, price) {
02 this.name = name;
03 this.price = price;
04 }
05 Vehicle.prototype.priceInfo = function () {
06 return `Cost of the $(this.name) is $(this.price)$`;
07 }
08 var ford = new Vehicle('Ford Fiesta', '20,000');
Which class definition is correct?

• A.class Vehicle {
  constructor(name, price) {
  this.name = name;
  this.price = price;
  }
  priceInfo() {
  return `Cost of the ${this.name} is ${this.price}$`;
  }
  }
• B.class Vehicle {
  vehicle(name, price) {
  this.name = name;
  this.price = price;
  }
  priceInfo() {
  return 'Cost of the ${this.name} is ${this.price}$';
  }
  }
• C.class Vehicle {
  constructor() {
  this.name = name;
  this.price = price;
  }
  priceInfo() {
  return `Cost of the ${this.name} is ${this.price}$`;
  }
  }
• D.class Vehicle {
  constructor(name, price) {
  this.name = name;
  this.price = price;
  }
  priceInfo() {
  return 'Cost of the ${this.name} is ${this.price}$';
  }
  }

Which statement accurately describes the behavior of the async/await keywords?

• A.The associated function sometimes returns a promise.
• B.The associated function is asynchronous, but acts like synchronous code.
• C.The associated function can only be called via asynchronous methods.
• D.The associated class contains some asynchronous functions.

Refer to the code below:
const searchText = 'Yay! Salesforce is amazing!';
let result1 = searchText.search(/sales/i);
let result2 = searchText.search(/sales/);
console.log(result1);
console.log(result2);
After running this code, which result is displayed on the console?

• A.true
  false
• B.5
  undefined
• C.5
  0
• D.5
  -1

Considering type coercion, what does the following expression evaluate to?
true + '13' + NaN

• A.'true13'
• B.'113NaN'
• C.'true13NaN'
• D.14