How do I incorporate Unicode standard symbols into my HTML/CSS code? Should I utilize Javascript for this purpose?

As a complete beginner, I'm struggling to figure out how to insert a Unicode character into my document. Despite reading various threads on Unicode characters, I find the information overwhelming and I'm getting a headache trying to absorb it all.

<doctype html>
<html>
  <head>
    <meta name="description" content="description" />
    <meta http-equiv="content-type" content="text/html;charset=UTF-8" />
    <meta name="keywords" content="keywords" />
    <title>title</title>
    <link rel="stylesheet" href="stylesheet.css" type="text/css" />
  </head>
  <body>
    <div id="idtag">
      &#x1F4D7;
    </div>
  </body>
</html>

#idtag {
  font-family: Tahoma, Helvetica, "Arial Unicode MS", sans-serif;
}

I've been attempting to add U+1F4D7, or something similar to a book symbol, but whenever I view the page, all I see is a blank square. It seems like the symbol may not be available on my PC. Previously, I've used Google Fonts that require Javascript - should I use a similar approach here? How exactly would I go about doing that?

Answer №1

The issue with 📗 is that it falls beyond the traditional BMP range - there may be limited fonts, if any, that include these characters in their collection.

Simply because a character has been assigned a Unicode value does not guarantee its presence in every font. Even characters within the BMP (codepoints from 0 to 65535) may not be supported across all fonts.

If a font does not have a specific character, there is no way for it to be displayed. In such cases, Unicode test pages rely on images to showcase how the character would ideally appear :-)

Answer №2

The character you are attempting to use from the "GREEN BOOK" emoji set is not currently supported by the font families being used for display, including Arial Unicode MS.

If you are on a newer version of OSX or iOS, this character may be supported through the Apple Color Emoji font. However, fonts that support this specific character are limited outside of Japan and are unlikely to be found on Google Webfonts.

In this case, Google Webfonts may not be able to assist you.

If your goal is simply to display a book icon, consider using an image instead. Resources like the Noun Project offer options for obtaining book icons.

Alternatively, if you require the character as part of a font, services like Fontello or Pictos Server can help generate a custom font with the desired icon included.

To learn more about using fonts for icons, refer to a helpful article on CSS-Tricks published a few months ago.

Answer №3

Your document is accurate in essence, save for the error on the initial line (it should be <!doctype html> with an exclamation mark) and the fact that the character displays correctly on my Firefox browser. This is due to Firefox's ability to search through the fonts on my device to locate a glyph for the character, thanks to me having installed the Symbola font which includes it. Unfortunately, IE 9 lacks this functionality, but it still shows the character when I include Symbola in the font-family list.

Therefore, the issue lies within the font, presenting a significant problem. It is unreasonable to assume that Symbola will be installed (most likely less than 1 user out of 10,000 has it installed), and it seems to be one of the very few freely available fonts containing U+1F4D7. The webpage you mentioned provides a link to a font support page stating this information. Although it may not be entirely up-to-date, it offers a good overview of font support.

You may want to consider using a web font instead, but this may seem excessive for simply displaying a single character. Additionally, it appears that the Font Squirrel @font-face generator does not function properly with Symbola, for unknown reasons.

For further information, refer to: Guide to using special characters in HTML.

P.S. The character would initially appear in black and white, although CSS can be utilized to assign a specific color to it. Reference the SO question Color in the Unicode standard?

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