HTML 实体 ( 字母 - X )
下表中的有些实体不被所有浏览器支持，使用过程中需要自己去调试每个浏览器
IE 11+ 是唯一一个能正确显示所有 HTML5 实体的浏览器
| 字符 | 实体 | 实体名称 | 十六进制 |
|---|---|---|---|
| ≌ | ≌ | backcong | 0224C |
| ϶ | ϶ | backepsilon | 003F6 |
| ‵ | ‵ | backprime | 02035 |
| ∽ | ∽ | backsim | 0223D |
| ⋍ | ⋍ | backsimeq | 022CD |
| ∖ | ∖ | Backslash | 02216 |
| ⫧ | ⫧ | Barv | 02AE7 |
| ⊽ | ⊽ | barvee | 022BD |
| ⌅ | ⌅ | barwedge | 02305 |
| ⎵ | ⎵ | bbrk | 023B5 |
| ⎶ | ⎶ | bbrktbrk | 023B6 |
| ≌ | ≌ | bcong | 0224C |
| Б | Б | Bcy | 00411 |
| б | б | bcy | 00431 |
| „ | „ | bdquo | 0201E |
| ∵ | ∵ | because | 02235 |
| ⦰ | ⦰ | bemptyv | 029B0 |
| ϶ | ϶ | bepsi | 003F6 |
| ℬ | ℬ | bernou | 0212C |
| ℬ | ℬ | Bernoullis | 0212C |
| Β | Β | Beta | 00392 |
| β | β | beta | 003B2 |
| ℶ | ℶ | beth | 02136 |
| ≬ | ≬ | between | 0226C |
| 𝔅 | 𝔅 | Bfr | 1D505 |
| 𝔟 | 𝔟 | bfr | 1D51F |
| ⋂ | ⋂ | bigcap | 022C2 |
| ◯ | ◯ | bigcirc | 025EF |
| ⋃ | ⋃ | bigcup | 022C3 |
| ⨀ | ⨀ | bigodot | 02A00 |
| ⨁ | ⨁ | bigoplus | 02A01 |
| ⨂ | ⨂ | bigotimes | 02A02 |
| ⨆ | ⨆ | bigsqcup | 02A06 |
| ★ | ★ | bigstar | 02605 |
| ▽ | ▽ | bigtriangledown | 025BD |
| △ | △ | bigtriangleup | 025B3 |
| ⨄ | ⨄ | biguplus | 02A04 |
| ⋁ | ⋁ | bigvee | 022C1 |
| ⋀ | ⋀ | bigwedge | 022C0 |
| ⤍ | ⤍ | bkarow | 0290D |
| ⧫ | ⧫ | blacklozenge | 029EB |
| ▪ | ▪ | blacksquare | 025AA |
| ▴ | ▴ | blacktriangle | 025B4 |
| ▾ | ▾ | blacktriangledown | 025BE |
| ◂ | ◂ | blacktriangleleft | 025C2 |
| ▸ | ▸ | blacktriangleright | 025B8 |
| ␣ | ␣ | blank | 02423 |
| ▒ | ▒ | blk12 | 02592 |
| ░ | ░ | blk14 | 02591 |
| ▓ | ▓ | blk34 | 02593 |
| █ | █ | block | 02588 |
| =⃥ | =⃥ | bne | 0003D 020E5 |
| ≡⃥ | ≡⃥ | bnequiv | 02261 020E5 |
| ⫭ | ⫭ | bNot | 02AED |
| ⌐ | ⌐ | bnot | 02310 |
| 𝔹 | 𝔹 | Bopf | 1D539 |
| 𝕓 | 𝕓 | bopf | 1D553 |
| ⊥ | ⊥ | bot | 022A5 |
| ⊥ | ⊥ | bottom | 022A5 |
| ⋈ | ⋈ | bowtie | 022C8 |
| ⧉ | ⧉ | boxbox | 029C9 |
| ╗ | ╗ | boxDL | 02557 |
| ╖ | ╖ | boxDl | 02556 |
| ╕ | ╕ | boxdL | 02555 |
| ┐ | ┐ | boxdl | 02510 |
| ╔ | ╔ | boxDR | 02554 |
| ╓ | ╓ | boxDr | 02553 |
| ╒ | ╒ | boxdR | 02552 |
| ┌ | ┌ | boxdr | 0250C |
| ═ | ═ | boxH | 02550 |
| ─ | ─ | boxh | 02500 |
| ╦ | ╦ | boxHD | 02566 |
| ╤ | ╤ | boxHd | 02564 |
| ╥ | ╥ | boxhD | 02565 |
| ┬ | ┬ | boxhd | 0252C |
| ╩ | ╩ | boxHU | 02569 |
| ╧ | ╧ | boxHu | 02567 |
| ╨ | ╨ | boxhU | 02568 |
| ┴ | ┴ | boxhu | 02534 |
| ⊟ | ⊟ | boxminus | 0229F |
| ⊞ | ⊞ | boxplus | 0229E |
| ⊠ | ⊠ | boxtimes | 022A0 |
| ╝ | ╝ | boxUL | 0255D |
| ╜ | ╜ | boxUl | 0255C |
| ╛ | ╛ | boxuL | 0255B |
| ┘ | ┘ | boxul | 02518 |
| ╚ | ╚ | boxUR | 0255A |
| ╙ | ╙ | boxUr | 02559 |
| ╘ | ╘ | boxuR | 02558 |
| └ | └ | boxur | 02514 |
| ║ | ║ | boxV | 02551 |
| │ | │ | boxv | 02502 |
| ╬ | ╬ | boxVH | 0256C |
| ╫ | ╫ | boxVh | 0256B |
| ╪ | ╪ | boxvH | 0256A |
| ┼ | ┼ | boxvh | 0253C |
| ╣ | ╣ | boxVL | 02563 |
| ╢ | ╢ | boxVl | 02562 |
| ╡ | ╡ | boxvL | 02561 |
| ┤ | ┤ | boxvl | 02524 |
| ╠ | ╠ | boxVR | 02560 |
| ╟ | ╟ | boxVr | 0255F |
| ╞ | ╞ | boxvR | 0255E |
| ├ | ├ | boxvr | 0251C |
| ‵ | ‵ | bprime | 02035 |
| ˘ | ˘ | Breve | 002D8 |
| ˘ | ˘ | breve | 002D8 |
| ¦ | ¦ | brvbar | 000A6 |
| ℬ | ℬ | Bscr | 0212C |
| 𝒷 | 𝒷 | bscr | 1D4B7 |
| ⁏ | ⁏ | bsemi | 0204F |
| ∽ | ∽ | bsim | 0223D |
| ⋍ | ⋍ | bsime | 022CD |
| \ | \ | bsol | 0005C |
| ⧅ | ⧅ | bsolb | 029C5 |
| ⟈ | ⟈ | bsolhsub | 027C8 |
| • | • | bull | 02022 |
| • | • | bullet | 02022 |
| ≎ | ≎ | bump | 0224E |
| ⪮ | ⪮ | bumpE | 02AAE |
| ≏ | ≏ | bumpe | 0224F |
| ≎ | ≎ | Bumpeq | 0224E |
| ≏ | ≏ | bumpeq | 0224F |