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Sass Numeric

Sass is a preprocessor scripting language that is interpreted or compiled into Cascading Style Sheets (CSS). It is a powerful tool that extends the capabilities of CSS and makes it easier to write and maintain stylesheets. One of the features of Sass is the ability to perform arithmetic operations on numeric values. This feature is known as Sass Numeric.

Sass Numeric allows you to perform basic arithmetic operations such as addition, subtraction, multiplication, and division on numeric values. It also allows you to perform more complex operations such as modulo, rounding, and absolute value. This feature is particularly useful when working with responsive designs, where you need to calculate values based on screen size or other variables.

Here are some examples of how Sass Numeric can be used:

Addition

To add two values together, you can use the plus sign (+) operator:


$width: 100px;
$padding: 20px;
.element {
  width: $width + $padding;
}

In this example, the width of the element will be 120px (100px + 20px).

Subtraction

To subtract one value from another, you can use the minus sign (-) operator:


$width: 100px;
$padding: 20px;
.element {
  width: $width - $padding;
}

In this example, the width of the element will be 80px (100px - 20px).

Multiplication

To multiply two values together, you can use the asterisk (*) operator:


$width: 100px;
$multiplier: 2;
.element {
  width: $width * $multiplier;
}

In this example, the width of the element will be 200px (100px * 2).

Division

To divide one value by another, you can use the forward slash (/) operator:


$width: 100px;
$divider: 2;
.element {
  width: $width / $divider;
}

In this example, the width of the element will be 50px (100px / 2).

Modulo

The modulo operator (%) returns the remainder of a division operation:


$width: 100px;
$divider: 3;
.element {
  width: $width % $divider;
}

In this example, the width of the element will be 1px (100px % 3 = 1).

Rounding

You can round a value to the nearest whole number using the round() function:


$width: 100.5px;
.element {
  width: round($width);
}

In this example, the width of the element will be 101px (100.5px rounded to the nearest whole number).

Absolute Value

You can get the absolute value of a number using the abs() function:


$width: -100px;
.element {
  width: abs($width);
}

In this example, the width of the element will be 100px (the absolute value of -100).

Sass Numeric is a powerful feature that can save you time and effort when working with CSS. By allowing you to perform arithmetic operations on numeric values, it makes it easier to create responsive designs and perform other complex calculations. If you're not already using Sass, it's definitely worth considering!

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