HTML5 实体名称（按字母排序）- B
旧版浏览器可能不支持下表中的所有 HTML5 实体。
Chrome 和 Opera 对此提供了良好的支持，IE 11+ 和 Firefox 35+ 支持所有实体。
| 字符 | 实体名称 | 十六进制 | 十进制 |
|---|---|---|---|
| ≌ | backcong | 0224C | 8780 |
| ϶ | backepsilon | 003F6 | 1014 |
| ‵ | backprime | 02035 | 8245 |
| ∽ | backsim | 0223D | 8765 |
| ⋍ | backsimeq | 022CD | 8909 |
| ∖ | Backslash | 02216 | 8726 |
| ⫧ | Barv | 02AE7 | 10983 |
| ⊽ | barvee | 022BD | 8893 |
| ⌅ | barwedge | 02305 | 8965 |
| ⎵ | bbrk | 023B5 | 9141 |
| ⎶ | bbrktbrk | 023B6 | 9142 |
| ≌ | bcong | 0224C | 8780 |
| Б | Bcy | 00411 | 1041 |
| б | bcy | 00431 | 1073 |
| „ | bdquo | 0201E | 8222 |
| ∵ | because | 02235 | 8757 |
| ⦰ | bemptyv | 029B0 | 10672 |
| ϶ | bepsi | 003F6 | 1014 |
| ℬ | bernou | 0212C | 8492 |
| ℬ | Bernoullis | 0212C | 8492 |
| Β | Beta | 00392 | 914 |
| β | beta | 003B2 | 946 |
| ℶ | beth | 02136 | 8502 |
| ≬ | between | 0226C | 8812 |
| 𝔅 | Bfr | 1D505 | 120069 |
| 𝔟 | bfr | 1D51F | 120095 |
| ⋂ | bigcap | 022C2 | 8898 |
| ◯ | bigcirc | 025EF | 9711 |
| ⋃ | bigcup | 022C3 | 8899 |
| ⨀ | bigodot | 02A00 | 10752 |
| ⨁ | bigoplus | 02A01 | 10753 |
| ⨂ | bigotimes | 02A02 | 10754 |
| ⨆ | bigsqcup | 02A06 | 10758 |
| ★ | bigstar | 02605 | 9733 |
| ▽ | bigtriangledown | 025BD | 9661 |
| △ | bigtriangleup | 025B3 | 9651 |
| ⨄ | biguplus | 02A04 | 10756 |
| ⋁ | bigvee | 022C1 | 8897 |
| ⋀ | bigwedge | 022C0 | 8896 |
| ⤍ | bkarow | 0290D | 10509 |
| ⧫ | blacklozenge | 029EB | 10731 |
| ▪ | blacksquare | 025AA | 9642 |
| ▴ | blacktriangle | 025B4 | 9652 |
| ▾ | blacktriangledown | 025BE | 9662 |
| ◂ | blacktriangleleft | 025C2 | 9666 |
| ▸ | blacktriangleright | 025B8 | 9656 |
| ␣ | blank | 02423 | 9251 |
| ▒ | blk12 | 02592 | 9618 |
| ░ | blk14 | 02591 | 9617 |
| ▓ | blk34 | 02593 | 9619 |
| █ | block | 02588 | 9608 |
| =⃥ | bne | 0003D 020E5 | |
| ≡⃥ | bnequiv | 02261 020E5 | |
| ⫭ | bNot | 02AED | 10989 |
| ⌐ | bnot | 02310 | 8976 |
| 𝔹 | Bopf | 1D539 | 120121 |
| 𝕓 | bopf | 1D553 | 120147 |
| ⊥ | bot | 022A5 | 8869 |
| ⊥ | bottom | 022A5 | 8869 |
| ⋈ | bowtie | 022C8 | 8904 |
| ⧉ | boxbox | 029C9 | 10697 |
| ╗ | boxDL | 02557 | 9559 |
| ╖ | boxDl | 02556 | 9558 |
| ╕ | boxdL | 02555 | 9557 |
| ┐ | boxdl | 02510 | 9488 |
| ╔ | boxDR | 02554 | 9556 |
| ╓ | boxDr | 02553 | 9555 |
| ╒ | boxdR | 02552 | 9554 |
| ┌ | boxdr | 0250C | 9484 |
| ═ | boxH | 02550 | 9552 |
| ─ | boxh | 02500 | 9472 |
| ╦ | boxHD | 02566 | 9574 |
| ╤ | boxHd | 02564 | 9572 |
| ╥ | boxhD | 02565 | 9573 |
| ┬ | boxhd | 0252C | 9516 |
| ╩ | boxHU | 02569 | 9577 |
| ╧ | boxHu | 02567 | 9575 |
| ╨ | boxhU | 02568 | 9576 |
| ┴ | boxhu | 02534 | 9524 |
| ⊟ | boxminus | 0229F | 8863 |
| ⊞ | boxplus | 0229E | 8862 |
| ⊠ | boxtimes | 022A0 | 8864 |
| ╝ | boxUL | 0255D | 9565 |
| ╜ | boxUl | 0255C | 9564 |
| ╛ | boxuL | 0255B | 9563 |
| ┘ | boxul | 02518 | 9496 |
| ╚ | boxUR | 0255A | 9562 |
| ╙ | boxUr | 02559 | 9561 |
| ╘ | boxuR | 02558 | 9560 |
| └ | boxur | 02514 | 9492 |
| ║ | boxV | 02551 | 9553 |
| │ | boxv | 02502 | 9474 |
| ╬ | boxVH | 0256C | 9580 |
| ╫ | boxVh | 0256B | 9579 |
| ╪ | boxvH | 0256A | 9578 |
| ┼ | boxvh | 0253C | 9532 |
| ╣ | boxVL | 02563 | 9571 |
| ╢ | boxVl | 02562 | 9570 |
| ╡ | boxvL | 02561 | 9569 |
| ┤ | boxvl | 02524 | 9508 |
| ╠ | boxVR | 02560 | 9568 |
| ╟ | boxVr | 0255F | 9567 |
| ╞ | boxvR | 0255E | 9566 |
| ├ | boxvr | 0251C | 9500 |
| ‵ | bprime | 02035 | 8245 |
| ˘ | Breve | 002D8 | 728 |
| ˘ | breve | 002D8 | 728 |
| ¦ | brvbar | 000A6 | 166 |
| ℬ | Bscr | 0212C | 8492 |
| 𝒷 | bscr | 1D4B7 | 119991 |
| ⁏ | bsemi | 0204F | 8271 |
| ∽ | bsim | 0223D | 8765 |
| ⋍ | bsime | 022CD | 8909 |
| \ | bsol | 0005C | 92 |
| ⧅ | bsolb | 029C5 | 10693 |
| ⟈ | bsolhsub | 027C8 | 10184 |
| • | bull | 02022 | 8226 |
| • | bullet | 02022 | 8226 |
| ≎ | bump | 0224E | 8782 |
| ⪮ | bumpE | 02AAE | 10926 |
| ≏ | bumpe | 0224F | 8783 |
| ≎ | Bumpeq | 0224E | 8782 |
| ≏ | bumpeq | 0224F | 8783 |
