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In an effort to learn more about font rendering/encoding I'm more curious as to why when I copy and paste the emojis ππ΅π into a blank <html> page and simply save the .html file locally on my machine, or even start a local php server and serve files with the above emojis in there, they either show up as some weird characters (Γ°ΕΈΛβ‘ðŸ¡ðŸβ’Λ) or blank, respectively. Yet I know that when I type them straight into this very stack overflow ask textarea, they will render correctly in my browser, and be displayed as intended when viewing this page.
My understanding is that since mac osx now ships with the correct emoji fonts, they should be rendered as just that. So where is the disconnect between the HTML page you're looking at right now, and the local one I saved on my computer?
And recommended reading would be appreciated! :) errr.... π
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Emojis can be inserted in HTML documents by specifying charset to UTF-8 that will be used while displaying the web pages in the browser. This character encoding information is specified by using <meta> tag in the head section. After declaration of charset, emojis can be added in HTML by using <p> and <span> tags.
The emoji picker is initialized with the reference of the message box element. The comment box element has to be set with the HTML5 data attributes data-emojiable=true and data-emoji-input =unicode. After initialization, the emoji picker control will be displayed at the top right corner of the comment message box.
The Unicode Standard has assigned numbers to represent emojis. Here's how it works. In the Unicode Standard, each emoji is represented as a "code point" (a hexadecimal number) that looks like U+1F063, for example.
Since Emojis are characters, they can be copied, displayed, and sized just like any other character in HTML.
When a web server sends a file to a browser, it will send a set of HTTP headers as well, relaying information about the content type, caching, etc. The content-type header also informs the browser which encoding was used:
Content-Type: text/html; charset=utf-8
If your open that file locally then your browser only gets the file and it has to guess the encoding. You can declare the encoding in the HTML head:
<meta charset="utf-8">
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