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  • Question
  • How to read and write a file using javascript?


  • Correct Answer
  • Files can be read and written by using java script functions ? fopen(),fread() and fwrite() The function fopen() takes two parameters ? 1 Path and 2 Mode (0 for reading and 3 for writing) The fopen() function returns -1, if the file is successfully opened Ex: file=fopen(getScriptPath(),0); The function fread() is used for reading the file content Ex: str = fread(file,flength(file)); The function fwrite() is used to write the contents to the file Ex(): file = fopen("c:\MyFiletxt", 3);// opens the file for writing fwrite(file, str);// str is the content that is to be written into the file 


  • More questions

    • 1. What is CRR rate?
    • Discuss
    • 2. Which among the following are not access Specifiers in C++?

    • Options
    • A. Public
    • B. Protected
    • C. Default
    • D. Private
    • Discuss
    • 3. In which year, the first bank of India "Bank of Hindustan" was established ?

    • Options
    • A. 1677
    • B. 1770
    • C. 1796
    • D. 1831
    • Discuss
    • 4. What could be the bucket size if collision and overlapping occur at same time?

    • Options
    • A. 2
    • B. 0
    • C. 1
    • D. 4
    • Discuss
    • 5. Default constructor accepts how many arguments?

    • Options
    • A. one
    • B. two
    • C. three
    • D. None
    • Discuss
    • 6. What are the mandatory part to present in function pointers?

    • Options
    • A. &
    • B. retrun values
    • C. data types
    • D. none of these
    • Discuss
    • 7. Which of the following can derived class inherit?

    • Options
    • A. members
    • B. functions
    • C. both a & b
    • D. None of the above
    • Discuss
    • 8. What kind of object is modifying sequence algorithm?

    • Options
    • A. Function template
    • B. Class template
    • C. Method
    • D. None of these
    • Discuss
    • 9. Fixed Foreign Exchange rate can be changed by

    • Options
    • A. SEBI
    • B. Ministry of Finance
    • C. RBI
    • D. All of the above
    • Discuss
    • 10. The shortcut key to quit from tally is

    • Options
    • A. CTRL + Q
    • B. CTRL + ESC
    • C. CTRL + T
    • D. CTRL + P
    • Discuss


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