Sass Selector Functions
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Sass Selector Functions
选择器函数用于检查和操作选择器。
下表列出了 Sass 中的所有选择器函数:
函数 | 描述 & 例子 |
---|---|
is-superselector(super, sub) |
检查 super 选择器是否匹配 sub 匹配的所有元素。 Example:is-superselector("div", "div.myInput") 结果:true is-superselector("div.myInput", "div") 结果:false is-superselector("div", "div") 结果:true |
selector-append(selectors) |
将第二个(和第三/第四等)选择器附加到第一个选择器。 Example:selector-append("div", ".myInput") 结果:div.myInput selector-append(".warning", "__a") 结果:.warning__a |
selector-extend(selector, extendee, extender) | |
selector-nest(selectors) |
根据提供的列表返回包含 CSS 选择器嵌套列表的新选择器。 Example:selector-nest("ul", "li") 结果:ul li selector-nest(".warning", "alert", "div") 结果:.warning div, alert div |
selector-parse(selector) |
使用与父选择器相同的格式返回选择器中包含的字符串列表。 Example:selector-parse("h1 .myInput .warning") 结果:('h1' '.myInput' '.warning') |
selector-replace(selector, original, replacement) |
returns a new selector, using replacement specified selector is replaced by original specified selector. Example:selector-replace("p.warning", "p", "div") Result: div.warning |
selector-unify(selector1, selector2) |
returns a new selector that only matches selector1 and selector2 elements that match both. Example:selector-unify("myInput", ".disabled") Result: myInput.disabled selector-unify("p", "h1") Result: null |
simple-selectors(selectors) |
Return selectors list of various selectors. Example:simple-selectors("div.myInput") Result: div, .myInput simple-selectors("div.myInput:before") Result: div, .myInput, :before |
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