March 23, 2019

Srikaanth

CoffeeScript Recently Asked Interview Questions Answer In Wipro

What Is The Use Of Clone-function In Coffeescript?

Clone-function is used to create a complete new object in CoffeeScript by follow these steps:

Copying all attributes from the source object to the new object.

Repeating the steps of copying attributes from the source object for all sub-objects by calling the clone-function.

Creating a new object as the source object.

What Is The Difference Between Copying An Object Through Assignment And Clone-function?

The main difference between copying an object through assignment and clone-function is that how they handle references. The assignment only copies the reference of the object while clone-function creates a complete new object.

What Is Transpilers In Coffeescript?

In CoffeeScript, a tool is required to translate/ convert CoffeeScript codes into JavaScript. This tool is known as transpilers.
CoffeeScript Recently Asked Interview Questions Answer In Wipro
CoffeeScript Recently Asked Interview Questions Answer In Wipro
How Does Boolean Works With Coffeescript?

in CoffeeScript is same as other but instead of "True" or "False". In CoffeeScript, "True" is generally represented as "On" or "Yes" and "False" is represented as "Off" or "No".

How Can You Create And Delete A Missing Function In Coffeescript?

You can use the existential assignment operator (?=) to create and delete missing function in CoffeeScript.

What Are The Advantages Of Coffeescript Over Javascript?

You can express your program with a lot less code with CoffeeScript rather than JavaScript.

It has a lot of lightweight add-ons like Ruby string Interpolation and Python style list comprehension.

Makes everyday tasks easier to perform with CoffeScript rather than JavaScript.

What Is The Difference Between Variables In Coffeescript And Javascript?

You have to add semicolon at the end of statements to execute variables in JavaScript while in CoffeeScript there is no need to add Semi-colon at the end of the statement.

Why Is Coffeescript Getting Popularity Day By Day?

CoffeeScript is the 11th most popular language in Github. Its main purpose is to produce efficient JavaScript without writing much code. It also focuses on highlighting all the good aspects of JavaScript with simple syntax.

Reasons behind the popularity of CoffeeScript:

Very Little Coding is required when programming in CoffeeScript as compared to JavaScript.

CoffeeScript includes all the good features of JavaScript.

You can use any existing JavaScript library seamlessly with CoffeeScript.

What's New In CoffeeScript 2?

Major new features in CoffeeScript 2 are
  • CoffeeScript 2 include async functions
  • CoffeeScript 2 include JSX
  • Support for modern JavaScript syntax
  • CoffeeScript 2 compiler produces modern JavaScript syntax - ES6, or ES2015 and others.
What Are the disadvantages of CoffeeScript?
  • CoffeeScript includes an additional compilation step while compilation - compiles into JavaScript
  • Only limited resources are available for CoffeeScript.
What Are the advantages of CoffeeScript over JavaScript?
  • Lots of less code with CoffeeScript rather than JavaScript.
  • Easier to perform with CoffeScript rather than JavaScript
  • Contains lightweight add-ons.

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