Olete.in – MCQs, Mock Tests & Government Job Prep | JavaScript JavaScript MCQ Questions And Answers Set 2

"<script type=""text/javascript""> x=4+""4""; document.write(x); </script> Output------?"

1. 44
2. 8
3. 4
4. Error output

✅ Correct Answer: 1

Scripting language are

1. High Level Programming language
2. Assembly Level programming language
3. Machine level programming language
4. None of the above

✅ Correct Answer: 1

Which best explains getSelection()?

1. Returns the VALUE of a selected OPTION.
2. Returns document.URL of the window in focus.
3. Returns the value of cursor-selected text
4. Returns the VALUE of a checked radio input.

✅ Correct Answer: 3

Choose the client-side JavaScript object:

1. Database
2. Cursor
3. Client
4. FileUpLoad

✅ Correct Answer: 4

What is mean by "this" keyword in javascript?

1. It refers current object
2. It referes previous object
3. It is variable which contains value
4. None of the above

✅ Correct Answer: 1

<script language="javascript"> function x() { document.write(2+5+"8"); } </script>

1. 258
2. Error
3. 7
4. 78

✅ Correct Answer: 4

<script type="text/javascript"> var s = "9123456 or 80000?"; var pattern = /d{4}/; var output = s.match(pattern); document.write(output); </script>

1. 9123
2. 91234
3. 80000
4. None of the above

✅ Correct Answer: 1