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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: Mar 25, 2025
  • Rated: 4.9 |
  • Online Users: 320
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  • Question 1
    • What is the correct way to define an object "person" with properties "firstName", "lastName", and "age"?


      Answer: A
  • Question 2
    • What will be the output of the following code?
      const a = { x: 1 };
      const b = { y: 2 };
      const c = { ...a, b, z: 3 };
      console.log(c);

      Answer: C
  • Question 3
    • 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 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
    • In the following code snippet, what line of code should be inserted to declare a method named showInfo that outputs the string "Hi" to the console?
      class A {
       // insert code here
      }
      let a = new A();
      console.log(a.showInfo()); 

      Answer: B
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