Tutorial
Sass @each Loops
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If you’ve got a Sass Map or Lists you can loop through them, rather than addressing each key separately. At the beginning of the @each loop, you assign a variable to be used inside the loop:
$shapes: triangle, square, circle;
@each $shape in $shapes {
.icon-#{$shape} {
background-image: url('/images/#{$shape}.jpg');
}
}
$map: (
h1: 20px,
h2: 16px,
h3: 14px
);
@each $element, $size in $map {
#{$element} {
font-size: $size;
}
}
If concatenating the variable with a string, or using it as a class/element, the variable will need to be preceded with a #{ and prepended with a } to tell the compiler you actually mean the variable.
You are also able to nest loops inside of loops, if your map is multi levels deep.
