25+ Online LESS Interview Questions

Online LESS Interview Questions

LESS Interview Questions

1. What is Less?

The Learner Style Sheet (Less) is a regressive perfect language that can be accumulated into the Cascading Style Sheet (CSS) and keeps running on both the customer side and server side. It is an open source language and cross-program perfect.

2. When does the Less programming language first invented?

The Less programming language was first invented in 2009.

3. In which language does the Less first written?

The LESS was first written in Ruby in 2009.

4. What is the current language used in Less?

Currently, Less is using JavaScript.

5. Who is the inventor of Less?

The Less is designed and developed by Alexis Sellier and Dmitry Fadeyev.

6. What is the extension of Less file?

The ".less" is the augmentation of the Less document. It is constantly required to utilize ".Less" augmentation in Less report document.

7. In how many ways we can use Less?

There are three different ways to utilize Less:
  • Through the order line. 
  • Through an outsider instrument. 
  • You can download Less as a content document for the program.

8. What is the use of Mixins in Less?

In Less, Mixins encourages you to include the arrangement of properties from one principle set into another standard set. It incorporates class names as its properties. Mixins can be proclaimed as indistinguishable path from CSS style utilizing a class or id selector. It can store numerous qualities and can be reused in the code at whatever point vital.

9. What are the color channel functions in Less?

In Less, shading divert capacities are in-fabricated capacities used to set an incentive about a channel as indicated by the shading definition. The HSL hues comprise of tint, immersion and delicacy channel and the RGB hues comprise of a red, green and blue channel.

10. What is the use of data URI (Uniform Resource Identifier) in LESS?

With the help of Data URI, an image can be embedded directly in the stylesheet.

11. How is Less is similar to Sass?

Following are the similitudes among Less and Sass:
  • Namespaces are comparative in both. 
  • Shading capacities are indistinguishable in both. 
  • Settling capacities are indistinguishable in both. 
  • JavaScript assessments are indistinguishable in both.

12. What is &combinator in Less?

In LESS, &combinator is used to combine the nested selector with the parent selector.

13. Does Less support operations?

Yes, Less supports various arithmetic operations such +,? , *, / that can be operated on any color or variable.

14. What is the use of Escaping in Less?

The escaping is used when there is a requirement to execute CSS file with invalid syntax.

15. Are there any alternatives that can use in place of Less?

Yes, there are various other alternatives can be used in place of Less such as SCSS, stylus.

16. What is the purpose of e() function in Less?

The role of e() function is to escape a value from the Less compiler.

17. How can you create a loop structure in Less?

When recursive mixins are combined with Pattern matching and guard expressions, it can create various iterative/loop structures.

18. What is the best way to pre-compile a Less into CSS?

The easiest way to pre-compile a Less into CSS is to use Less.js with Node.js where Less.js run outside the browser.

19. What is commenting?

The remarking alludes to some content which is justifiable by the people to comprehend the working of some unpredictable codes in the programming.

20. What is the reaction of the compiler to the comments?

The reaction of the compiler to the comments is nothing. The compiler ignores the comments at the time of compilation of the code.

21. How many types of commenting can be done in the Less document?

Two sorts of remarks are permitted in the Less report, inline remarks and square remarks. Notwithstanding, on the off chance that you compose inline remarks in your code, the compiler overlooks it and not adds that code to the CSS document. Just square remarks will be added to the CSS record.

22. What is the use of importing in Less programming? How is it done?

The bringing in is utilized to bring CSS or Less record into the Less report. Bringing in should be possible by including "@import" trailed by the location of the CSS or Less record toward the start of the Less report.

23. What are different types of functions available in Less?

The rundown of various sorts of capacities in Less is as per the following:
  • Misc work 
  • String capacities 
  • Rundown work 
  • Math work 
  • Type work 
  • Shading definition work 
  • Shading channel work 
  • Shading task 
  • Shading mixing capacities