For the hamburger emoji, the codepoint is U+1F354. To specify this emoji in HTML using the codepoint, we have to modify the value a bit. Add the &#x characters, remove the U+1 from the beginning of the codepoint, and just add the remaining digits from the codepoint as part of any text element.
Here is our hamburger emoji in codepoint form:


Ну и сам листинг эмодзи: