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Sunday, March 12, 2017

Sass - Comments

In this chapter, we will study about Sass Comments. Comments are non-executable statements, which are placed in source code. Comments make source code easier to understand. SASS supports two types of comments.

  • Multiline comments − These are written using /* and */. Multiline comments are preserved in CSS output.
  • Single line comments − These are written using // followed by comments. Single line comments are not preserved in CSS output.

Example

The following example demonstrates the use of comments in the SCSS file −
<html>
   <head>
      <title>SASS comments</title>
      <link rel = "stylesheet" type = "text/css" href="style.css"/>
   </head>

   <body>
      <h1>Welcome to TutorialsPoint</h1>
      <a href = "http://www.tutorialspoint.com/">TutorialsPoint</a>
   </body>
</html>
Next, create file style.scss.

style.scss

/* This comment is
 * more than one line long
 * since it uses the CSS comment syntax,
 * it will appear in the CSS output. */
body { color: black; }

// These comments are in single line
// They will not appear in the CSS output,
// since they use the single-line comment syntax.
a { color: blue; }
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

/* This comment is
 * more than one line long
 * since it uses the CSS comment syntax,
 * it will appear in the CSS output. */
body {
   color: black; }

a {
   color: blue; }

Output

Let us carry out the following steps to see how the above given code works −
  • Save the above given html code in sass_comments.html file.
  • Open this HTML file in a browser, an output is displayed as shown below.
Sass Comments To study about interpolation within multiline comments, click this link.

Sass – Interpolation in Multiline Comments

Description

Interpolation within the multiline comments are resolved in the resulting CSS. You can specify variables or property names within the curly braces.

Syntax

$var : "value";
/* multiline comments #{$var} */

Example

The following example demonstrates the use of interpolation in multiline comments in the SCSS file −
<html>
   <head>
      <title>SASS comments</title>
      <link rel = "stylesheet" type = "text/css" href="style.css"/>
   </head>

   <body>
      <h1>Welcome to TutorialsPoint</h1>
      <p>This is an example for Interpolation in SASS.</p>
   </body>
</html>
Next, create file style.scss.

style.css

/* Framework version for the generated CSS is 7.8. */

Output

Let us carry out the following steps to see how the above given code works −
  • Save the above given html code in sass_comments_interpolation.htm file.
  • Open this HTML file in a browser, an output is displayed as shown below.
Sass Comments
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