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Free JS Institute JSA-41-01 Exam Questions

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  • JS Institute JSA-41-01 Exam Questions
  • Provided By: JS Institute
  • Exam: JSA - Certified Associate JavaScript Programmer
  • Certification: JavaScript
  • Total Questions: 160
  • Updated On: Jan 28, 2025
  • Rated: 4.9 |
  • Online Users: 320
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  • Question 1
    • What line of code should be inserted into the Product class definition to add a property price to the class?
      class Product { 
       constructor(name) 
       { 
         this.name = name; 
         // insert code here 
       }
      } 

      Answer: B
  • Question 2
    • What will be the value of result after the following code is executed?
      var str = "The quick brown fox";
      var result = str.replace(/[aeiou]/gi, '*'); 

      Answer: D
  • Question 3
    • What is the output of the following code snippet?
      class Shape{}; 
      class Pyramid extends Shape{}; 
      class SquareBasedPyramid extends Pyramid {}; 
      let shape = new SquareBasedPyramid (); 
      console.log(`${shapeinstance of Shape} ${shape instance of Pyramid } ${shape instance of SquareBasedPyramid }`) 

      Answer: A
  • Question 4
    • What is the correct output of the following code:
      var obj = {
        value: 10
      };
      var foo = function() {
        console.log(this.value);
      };
      var bar = function() {
        console.log(this.value);
      };
      var boundFoo = foo.call(obj);
      var boundBar = bar.bind(obj)();
      console.log(boundFoo === boundBar); 

      Answer: C
  • Question 5
    • What is the output of the following code?
      const add = (a, b) => a + b; 
      const double = n => add(n, n); 
      console.log(double(3));

      Answer: A
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