Less quiz

Test your Less knowledge with a free interactive quiz — 18 questions with answers and explanations. No signup needed to play.

How do you pass arguments to a Less mixin?

1. How do you pass arguments to a Less mixin?
2. How does nesting work in Less?
3. What is the difference between Less's "lazy loading" of variables and Sass's variable resolution order?
4. What is a Less "mixin"?
5. How do you loop/generate repeated styles in Less, given it has no native `@for` loop?
6. What is a Less "namespace" (a mixin defined inside another selector, accessed via `#namespace > .mixin()`)?
7. What is Less?
8. What is string interpolation in Less?
9. What does the `!important` keyword do when appended to an entire Less mixin call, e.g. `.mixin() !important;`?
10. How do you perform arithmetic in Less?
11. How do you compile a `.less` file to `.css`?
12. What was a significant historical reason Bootstrap (versions 3 and earlier) chose Less, before later switching to Sass in Bootstrap 4?

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