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It is beneficial when you need to outline a mixin that abstracts out both wrapping a piece of code in the media query or even a non-supported browser class name. The rulesets may be passed to mixin so which the mixin can wrap the content, e.g.

Currently, an :prolong inside of a @media declaration will only match selectors Within the exact same media declaration:

The lengthen is both hooked up to a selector or put into a ruleset. It appears like a pseudo-class with selector parameter optionally accompanied by the search phrase all:

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A ruleset might be now assigned to some variable or passed in to the mixin and may have the full set of Less functions, e.g.

To prevent any unintentional joins, merge demands an explicit + or +_ flag on Each individual sign up for pending declaration.

You can even use parametric mixins which You should not acquire parameters. This is beneficial in order to hide the ruleset with the CSS output, but want to include its Qualities in other rulesets:

The real key may be the when key word, which introduces a guard sequence (here with only one guard). Now if we run the next code:

Beginning in Less three.5, You need to use house/variable accessors to pick a value from an evaluated mixin's guidelines. This could permit you to use mixins similar to capabilities.

If a ruleset has several selectors, any of these can possess the increase key phrase. Various selectors with lengthen in a single ruleset:

From time to time, you might want to alter the conduct of a mixin, depending on the parameters you move to it. Let's start with some thing fundamental:

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Right here the desktop-and-previous-ie mixin defines the media query and root class to be get more info able to make use of a mixin to wrap a piece of code. This will likely output

Extend connected to a selector appears like a standard pseudo-class with selector for a parameter. A selector can include many extend clauses, but all extends need to be at the end of the selector.