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SCSS variable for loop All In One

@each

$r: red;
$g: green;
$b: blue;

$colors: (
  1: $r,
  2: $g,
  3: $b,
);

.container-color {
  @each $key, $val in $colors {
    &-#{$key} {
      color: $val;
    }
  }
}

.container-color-1 {
    color: red;
}

.container-color-2 {
    color: green;
}

.container-color-3 {
    color: blue;
}

@for

/* warning: this is generally a bad idea */
@for $i from 1 through 3 {
  .tooltips-container-#{$i} {
    font-size: #{$i}px;
  }
}

/* warning: this is generally a bad idea */
.tooltips-container-1 {
    font-size: 1px;
}

.tooltips-container-2 {
    font-size: 2px;
}

.tooltips-container-3 {
    font-size: 3px;
}

demo

@for demo

    $min: 1;
    $max: 3;
    @for $i from $min through $max {
        .tooltips-container-#{$i} {
            position: relative;
        }
    }

.tooltips-container-1 {
    position: relative;
}

.tooltips-container-2 {
    position: relative;
}

.tooltips-container-3 {
    position: relative;
}

@each demo

    .popover-custom-class {
        display: block !important;
        $l: left;
        $r: right;
        $t: top;
        $b: bottom;
        $positions: $l, $r, $t, $b;
        @each $key in $positions {
            &[x-placement^=#{$key}] .popper__arrow::after {
                border-#{$key}-color: #409eff !important;
            }
        }
    }

.popover-custom-class {
    display: block !important;
}

.popover-custom-class[x-placement^=left] .popper__arrow::after {
    border-left-color: #409eff !important;
}

.popover-custom-class[x-placement^=right] .popper__arrow::after {
    border-right-color: #409eff !important;
}

.popover-custom-class[x-placement^=top] .popper__arrow::after {
    border-top-color: #409eff !important;
}

.popover-custom-class[x-placement^=bottom] .popper__arrow::after {
    border-bottom-color: #409eff !important;
}

refs

https://sass.js.org/

https://sass-lang.com/documentation/at-rules/control/for

https://sass-lang.com/documentation/at-rules/control/each

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