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    • JavaScript Course | Practice Quiz-2

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    Question 1

    Which of the following javascript functions allows you to get user input data?
    • A
      alert
    • B
      prompt
    • C
      confirm
    • D
      None of the above

    Question 2

    Which logical operator only accepts a single operand?
    • A
      &&(AND)
    • B
      ||(OR)
    • C
      !(NOT)
    • D
      None of the above

    Question 3

    What will be the result of the following code? Javascript 
    <script>
  document.write( true && 1 && 3);
</script>
    • A
      0
    • B
      1
    • C
      true
    • D
      3

    Question 4

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

    Question 5

    What will be the output of the following code? Javascript 
    <script>
 let ans = 0 / 0;
 document.write(ans);
</script>
    • A
      0
    • B
      infinity
    • C
      NaN
    • D
      None of the above

    Question 6

    What will be the output of the following code? Javascript 
    <script>
 let i = 30;
  if( i == 10 || i > 20){
    console.log('Hola');
  }else if( i == 5){
    console.log('Breaking up the code');
  }else{
    console.log('Adios');
 }
</script>
    • A
      Hola
    • B
      Breaking up the code
    • C
      Adios
    • D
      None of the above

    Question 7

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

    Question 8

    What will be the output of the following code? Javascript 
     <script>
  let age = 20;
  let result = age>18 ? 'Great' : 'Not so great';
  document.write(result);
 </script>
    • A
      Great
    • B
      Not so great
    • C
      true
    • D
      None of the above

    Question 9

    What will be the output of the following code? Javascript 
    <script>
  let y = 1;
  y = typeof x; 
  document.write(typeof y);
</script>
    • A
      string
    • B
      null
    • C
      number
    • D
      boolean

    Question 10

    What will be the output of the following code? Javascript 
     <script>
    var x = [typeof x, typeof y][1];
    document.write(typeof typeof x);
 </script>
    • A
      undefined
    • B
      string
    • C
      number
    • D
      boolean

    There are 10 questions to complete.

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