Sass - Interpolation


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Description

It provides SassScript variables in selectors and property names using #{ } syntax. You can specify variables or property names within the curly braces.

Syntax

#{$name}

Where $name is the name of the variable or property name.

Example

The following example demonstrates the use of interpolation in the SCSS file −

<html>
   <head>
      <title>Interpolation</title>
      <link rel = "stylesheet" type = "text/css" href = "style.css" />
      <link rel = "stylesheet" href = "https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css">
      <script src = "https://ajax.googleapis.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>
      <script src = "https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js"></script>
   </head>

   <body>
      <div class = "container">
         <h2>Example using Interpolation</h2>
         <p>SASS stands for Syntactically Awesome Stylesheet...</p>
      </div>
   </body>
</html>

Next, create file style.scss.

style.scss

p:after {
   content: "I have #{8 + 2} books on SASS!";
}

You can tell SASS to watch the file and update the CSS whenever SASS file changes, by using the following command −

sass --watch C:\ruby\lib\sass\style.scss:style.css

Next, execute the above command; it will create the style.css file automatically with the following code −

style.css

p:after {
   content: "I have 10 books on SASS!";
}

Output

Let us carry out the following steps to see how the above given code works −

  • Save the above given html code in interpolation.html file.

  • Open this HTML file in a browser, an output is displayed as shown below.

Sass Interpolation
sass_script.htm
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