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                ??碼云GVP開源項目 12k star Uniapp+ElementUI 功能強大 支持多語言、二開方便! 廣告
                ## 5.1 條件語句 @if可以用來判斷: >   p { >     @if 1 + 1 == 2 { border: 1px solid; } >     @if 5 < 3 { border: 2px dotted; } >   } 配套的還有@else命令: >   @if lightness($color) > 30% { >     background-color: #000; >   } @else { >     background-color: #fff; >   } ## 5.2 循環語句 SASS支持for循環: >   @for $i from 1 to 10 { >     .border-#{$i} { >       border: #{$i}px solid blue; >     } >   } 也支持while循環: >   $i: 6; > >   @while $i > 0 { >     .item-#{$i} { width: 2em * $i; } >     $i: $i - 2; >   } each命令,作用與for類似: >   @each $member in a, b, c, d { >     .#{$member} { >       background-image: url("/image/#{$member}.jpg"); >     } >   } ## 5.3 自定義函數 SASS允許用戶編寫自己的函數。 >   @function double($n) { >     @return $n * 2; >   } > >   #sidebar { >     width: double(5px); >   } (完)
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