Frequent question: Which of the following is a disadvantage of JavaScript?

What is JavaScript and its disadvantages?

Because the code executes on the users’ computer, in some cases it can be exploited for malicious purposes. This is one reason some people choose to disable Javascript. Browser Support. JavaScript is sometimes interpreted differently by different browsers. This makes it somewhat difficult to write cross-browser code.

Which of the following is a disadvantage of using JavaScript Mcq?

Q 5 – Which of the following is a disadvantage of using JavaScript? A – Client-side JavaScript does not allow the reading or writing of files.

What is the disadvantage of using in HTML and JavaScript?

There is no append support without reparsing the whole innerHTML. This makes changing innerHTML directly very slow. innerHTML does not provide validation and therefore we can potentially insert valid and broken HTML in the document and break it.

What are the problems with JavaScript?

Here are the 4 problems that the Builder Design Pattern can easily solve in JavaScript:

  • Code clutter and confusion. It’s not uncommon that errors and accidents occur from carelessness of developing in large sizes of function blocks. …
  • Readability. …
  • Lack of control. …
  • Boilerplate (Solved by: Templating)
IT IS INTERESTING:  Quick Answer: Does JavaScript have a built in queue?

What is JavaScript and why is it important?

JavaScript is a programming language used primarily by Web browsers to create a dynamic and interactive experience for the user. Most of the functions and applications that make the Internet indispensable to modern life are coded in some form of JavaScript.

Why JavaScript is not secure?

Because JavaScript is an interpreted, not a compiled, language, it would be virtually impossible to protect application code from being examined by potential hackers with this method. … Another cause of security holes in the source code is the widespread use of public packages and libraries.

What is the main use of JavaScript?

JavaScript is a text-based programming language used both on the client-side and server-side that allows you to make web pages interactive. Where HTML and CSS are languages that give structure and style to web pages, JavaScript gives web pages interactive elements that engage a user.

What is JavaScript not used for?

It Cannot Write to Files on the Server Without the Help of a Server-Side Script. Using Ajax, JavaScript can send a request to the server. This request can read a file in XML or plain text format but it cannot write to a file unless the file called on the server actually runs as a script to do the file write for you.

What are the features of JavaScript?

Javascript Features

  • Light Weight Scripting language.
  • Dynamic Typing.
  • Object-oriented programming support.
  • Functional Style.
  • Platform Independent.
  • Prototype-based.
  • Interpreted Language.
  • Async Processing.

What is difference between Java and JavaScript?

Key differences between Java and JavaScript: Java is an OOP programming language while Java Script is an OOP scripting language. Java creates applications that run in a virtual machine or browser while JavaScript code is run on a browser only. Java code needs to be compiled while JavaScript code are all in text.

IT IS INTERESTING:  Which IDE should I use for SQL?

Does JavaScript ignore extra spaces?

In this JavaScript quiz at WsCube Tech there was a question whether JavaScript ignores extra spaces. The correct answer was “False”.

Is JavaScript harder than Python?

The answer: JavaScript is more difficult to master than Python. Python is usually the beginners-choice, especially for those who do not have any prior programming experience. Python code is notorious for being more readable, meaning that it is easier to understand (and write).

Why is JavaScript so hard?

JavaScript is so hard to learn because it’s an asynchronous programming language. It’s also single-threaded, which means it uses its asynchronous nature in a radically different way than most other programming languages. … Or we could communicate asynchronously.

Categories JS