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    • JavaScript Course | Practice Quiz-3

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    Question 1

    What will be the output of the following code? 

    JavaScript 
    <script>
let result = 0;
for (let i = 0; i < 5; i++) {
  result += i;
}
document.write(result);
</script>
    • A

      5

    • B

      0

    • C

      10

    • D

      None of the above

    Question 2

    True or false: All keys in an object are strings.
    • A
      True
    • B
      False
    • C
      Depends on the Object type
    • D
      None of the above

    Question 3

    Given a collection of artists and lists of their songs, would you store the artist-song-list pairs in an Object or an Array?
    • A
      Object
    • B
      Array
    • C
      Function
    • D
      None of the above

    Question 4

    What will be the output of the following code? JavaScript 
     <script>
 if (5) { 
  document.write("I like peanuts"); 
  }
  </script>
    • A
      I like peanuts
    • B
      undefined
    • C
      nothing will be printed
    • D
      None of the above

    Question 5

    What will be the output of the following code? JavaScript 
    <script>
let bar  = 1;
foo = {};
foo: {
     bar : 2;
     baz : ++bar;
};
document.write(foo.baz + foo.bar + bar);
</script>
    • A
      NaN
    • B
      5
    • C
      4
    • D
      1

    Question 6

    What will be the output of the following code? 

    < script>

    document.write( 10 > 9 > 8 === true );

    </ script> 

    • A

      true

    • B

      false

    • C

      1

    • D

      0

    Question 7

    What will be the output of the following code? JavaScript 
    <script>
  document.write(String('Hello') == 'Hello');
</script>
    • A
      true
    • B
      false
    • C
      1
    • D
      0

    Question 8

    What will be the output of the following code? JavaScript 
    <script>
document.write(( true + false ) > 2 + true );
</script>
    • A
      true
    • B
      false
    • C
      1
    • D
      0

    Question 9

    What will be the output of the following code? JavaScript 
    <script>
document.write(Number('1') - 1 == 0);
</script>
    • A
      true
    • B
      false
    • C
      1
    • D
      None of the above

    Question 10

    What will be the output of the following code? JavaScript 
    <script>
 document.write(NaN == NaN);
</script>
    • A
      true
    • B
      false
    • C
      1
    • D
      0

    There are 10 questions to complete.

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