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html 的 lang 属性可用于声明网页或部分网页的语言。这对搜索引擎和浏览器是有帮助的。
根据 w3c 推荐标准,您应该通过 标签中的 lang 属性对每张页面中的主要语言进行声明,比如:
...
在 xhtml 中,采用如下方式在 标签中对语言进行声明:
...
iso 639-1 为各种语言定义了缩略词。您可以在 html 和 xhtml 中的 lang 和 xml:lang 属性中使用它们。
| 语言 | iso 代码 |
|---|---|
| abkhazian | ab |
| afar | aa |
| afrikaans | af |
| albanian | sq |
| amharic | am |
| arabic | ar |
| aragonese | an |
| armenian | hy |
| assamese | as |
| aymara | ay |
| azerbaijani | az |
| bashkir | ba |
| basque | eu |
| bengali (bangla) | bn |
| bhutani | dz |
| bihari | bh |
| bislama | bi |
| breton | br |
| bulgarian | bg |
| burmese | my |
| byelorussian (belarusian) | be |
| cambodian | km |
| catalan | ca |
| cherokee | |
| chewa | |
| chinese (简体) | zh |
| chinese (繁体) | zh |
| corsican | co |
| croatian | hr |
| czech | cs |
| danish | da |
| divehi | |
| dutch | nl |
| edo | |
| english | en |
| esperanto | eo |
| estonian | et |
| faeroese | fo |
| farsi | fa |
| fiji | fj |
| finnish | fi |
| flemish | |
| french | fr |
| frisian | fy |
| fulfulde | |
| galician | gl |
| gaelic (scottish) | gd |
| gaelic (manx) | gv |
| georgian | ka |
| german | de |
| greek | el |
| greenlandic | kl |
| guarani | gn |
| gujarati | gu |
| haitian creole | ht |
| hausa | ha |
| hawaiian | |
| hebrew | he, iw |
| hindi | hi |
| hungarian | hu |
| ibibio | |
| icelandic | is |
| ido | io |
| igbo | |
| indonesian | id, in |
| interlingua | ia |
| interlingue | ie |
| inuktitut | iu |
| inupiak | ik |
| irish | ga |
| italian | it |
| japanese | ja |
| javanese | jv |
| kannada | kn |
| kanuri | |
| kashmiri | ks |
| kazakh | kk |
| kinyarwanda (ruanda) | rw |
| kirghiz | ky |
| kirundi (rundi) | rn |
| konkani | |
| korean | ko |
| kurdish | ku |
| laothian | lo |
| latin | la |
| latvian (lettish) | lv |
| limburgish ( limburger) | li |
| lingala | ln |
| lithuanian | lt |
| macedonian | mk |
| malagasy | mg |
| malay | ms |
| malayalam | ml |
| maltese | mt |
| maori | mi |
| marathi | mr |
| moldavian | mo |
| mongolian | mn |
| nauru | na |
| nepali | ne |
| norwegian | no |
| occitan | oc |
| oriya | or |
| oromo (afaan oromo) | om |
| papiamentu | |
| pashto (pushto) | ps |
| polish | pl |
| portuguese | pt |
| punjabi | pa |
| quechua | qu |
| rhaeto-romance | rm |
| romanian | ro |
| russian | ru |
| sami (lappish) | |
| samoan | sm |
| sangro | sg |
| sanskrit | sa |
| serbian | sr |
| serbo-croatian | sh |
| sesotho | st |
| setswana | tn |
| shona | sn |
| sichuan yi | ii |
| sindhi | sd |
| sinhalese | si |
| siswati | ss |
| slovak | sk |
| slovenian | sl |
| somali | so |
| spanish | es |
| sundanese | su |
| swahili (kiswahili) | sw |
| swedish | sv |
| syriac | |
| tagalog | tl |
| tajik | tg |
| tamazight | |
| tamil | ta |
| tatar | tt |
| telugu | te |
| thai | th |
| tibetan | bo |
| tigrinya | ti |
| tonga | to |
| tsonga | ts |
| turkish | tr |
| turkmen | tk |
| twi | tw |
| uighur | ug |
| ukrainian | uk |
| urdu | ur |
| uzbek | uz |
| venda | |
| vietnamese | vi |
| volapük | vo |
| wallon | wa |
| welsh | cy |
| wolof | wo |
| xhosa | xh |
| yi | |
| yiddish | yi, ji |
| yoruba | yo |
| zulu | zu |