Javascript drop-down menu language options simple implementation _ javascript skills

You are not familiar with the drop-down menu. The following describes how to use js to implement the drop-down menu language options. The specific implementation is as follows.
Flag Image

The Code is as follows:

(Function ($ ){
Var jSelect = $ (". jsSelect ");
$ (JSelect). find ("li: first"). hover (function (){
$ (". S" ).css ("background", "url (images/68_60.png) 54px 0px no-repeat ");
H = $ (this). parent ("ul"). find ("li"). length;
$ (This). parent ("ul" ).css ("height", 28 * h)
$ (This). siblings ("li: not (. s)"). mouseenter (function (){
$ (". S" ).css ("background", "url (images/68_60.png) 54px 0px no-repeat ");
((This).css ("background", "# 428bca" ).css ("color", "# FFFFFF ")
});
$ (This). siblings ("li: not (. s)"). mouseleave (function (){
((This).css ("background", "none" ).css ("color", "# 428bca ")
$ (". S" ).css ("background", "url (images/68_60.png) 54px-30px no-repeat ");
});

$ (This). parent (jSelect). mouseleave (function (){
Watermark (this).css ("height", 28)
});
});
$ (JSelect). find ("li: not (. s)"). click (function (){
Var cContent = $ (jSelect). find ("li: first" pai.html ();
Var cdContent = contents (this).html ();
$ (JSelect). find ("li: first" ).html (cdContent );
Certificate (thisdomain.html (cContent );
$ (This). find ('A'). removeClass ('s ');
$ (This). find ('A'). removeAttr ('style ');
$ (JSelect). find ("li: first"). addClass ('s ');
$ (This). parent ("ul" ).css ("height", 28 );
});
$ (". S" ).css ("background", "url (images/68_60.png) 54px-30px no-repeat ");

}) (JQuery );

The Code is as follows:

• English
• Simplified Chinese
• Traditional Chinese

The Code is as follows:

Flag.css

The Code is as follows:

[Class ^ = "flag-"], [class * = "flag-"] {display: inline-block; margin-top: 2px; width: 16px; height: 11px; line-height: 11px; vertical-align: text-top; background-image: url ("http://file.aconf.org/public/images/icons/flags.png"); background-repeat: no-repeat; * margin-right :. 3em; margin-right: 0.3em}
[Class ^ = "flag-"]: last-child, [class * = "flag-"]: last-child {* margin-left: 0}
. Flag-ad {background-position: 0 0}
. Flag-AE {background-position: 0-31px}
. Flag-af {background-position: 0-62px}
. Flag-ag {background-position: 0-93px}
. Flag-ai {background-position: 0-124px}
. Flag-al {background-position: 0-155px}
. Flag-am {background-position: 0-186px}
. Flag-an {background-position: 0-217px}
. Flag-ao {background-position: 0-248px}
. Flag-ar {background-position: 0-279px}
. Flag-as {background-position: 0-310px}
. Flag-at {background-position: 0-341px}
. Flag-au {background-position: 0-372px}
. Flag-aw {background-position: 0-403px}
. Flag-ax {background-position: 0-434px}
. Flag-az {background-position: 0-pixel PX}
. Flag-ba {background-position: 0-496px}
. Flag-bb {background-position: 0-527px}
. Flag-bd {background-position: 0-558px}
. Flag-be {background-position: 0-589px}
. Flag-bf {background-position: 0-620px}
. Flag-bg {background-position: 0-651px}
. Flag-bh {background-position: 0-682px}
. Flag-bi {background-position: 0-713px}
. Flag-bj {background-position: 0-744px}
. Flag-bm {background-position: 0-775px}
. Flag-bn {background-position: 0-806px}
. Flag-bo {background-position: 0-837px}
. Flag-br {background-position: 0-868px}
. Flag-bs {background-position: 0-899px}
. Flag-bt {background-position: 0-930px}
. Flag-bv {background-position: 0-961px}
. Flag-bw {background-position: 0-992px}
. Flag-by {background-position: 0-1023px}
. Flag-bz {background-position: 0-1054px}
. Flag-ca {background-position: 0-1085px}
. Flag-catalonia {background-position: 0-1116px}
. Flag-cc {background-position: 0-1147px}
. Flag-cd {background-position: 0-1178px}
. Flag-cf {background-position: 0-1209px}
. Flag-cg {background-position: 0-1240px}
. Flag-ch {background-position: 2px-interval 1px}
. Flag-ci {background-position: 0-1302px}
. Flag-ck {background-position: 0-1333px}
. Flag-cl {background-position: 0-1364px}
. Flag-cm {background-position: 0-1395px}
. Flag-zh-cn {background-position: 0-1426px}
. Flag-co {background-position: 0-1457px}
. Flag-cr {background-position: 0-1488px}
. Flag-cs {background-position: 0-1519px}
. Flag-cu {background-position: 0-1550px}
. Flag-cv {background-position: 0-1581px}
. Flag-cx {background-position: 0-1612px}
. Flag-cy {background-position: 0-1643px}
. Flag-cz {background-position: 0-1674px}
. Flag-de {background-position: 0-1705px}
. Flag-dj {background-position: 0-1736px}
. Flag-dk {background-position: 0-1767px}
. Flag-dm {background-position: 0-1798px}
. Flag-do {background-position: 0-1829px}
. Flag-dz {background-position: 0-1860px}
. Flag-ec {background-position: 0-1891px}
. Flag-ee {background-position: 0-1922px}
. Flag-eg {background-position: 0-1953px}
. Flag-eh {background-position:-36px 0}
. Flag-england {background-position:-36px-31px}
. Flag-er {background-position:-36px-62px}
. Flag-es {background-position:-36px-93px}
. Flag-et {background-position:-36px-124px}
. Flag-europeanunion {background-position:-36px-155px}
. Flag-fam {background-position:-36px-186px}
. Flag-fi {background-position:-36px-217px}
. Flag-fj {background-position:-36px-248px}
. Flag-fk {background-position:-36px-279px}
. Flag-fm {background-position:-36px-310px}
. Flag-fo {background-position:-36px-341px}
. Flag-fr {background-position:-36px-372px}
. Flag-ga {background-position:-36px-403px}
. Flag-gb {background-position:-36px-434px}
. Flag-gd {background-position:-36px-pixel PX}
. Flag-ge {background-position:-36px-496px}
. Flag-gf {background-position:-36px-527px}
. Flag-gh {background-position:-36px-558px}
. Flag-gi {background-position:-36px-589px}
. Flag-gl {background-position:-36px-620px}
. Flag-gm {background-position:-36px-651px}
. Flag-gn {background-position:-36px-682px}
. Flag-gp {background-position:-36px-713px}
. Flag-gq {background-position:-36px-744px}
. Flag-gr {background-position:-36px-775px}
. Flag-gs {background-position:-36px-806px}
. Flag-gt {background-position:-36px-837px}
. Flag-gu {background-position:-36px-868px}
. Flag-gw {background-position:-36px-899px}
. Flag-gy {background-position:-36px-930px}
. Flag-hk {background-position:-36px-961px}
. Flag-hm {background-position:-36px-992px}
. Flag-hn {background-position:-36px-1023px}
. Flag-hr {background-position:-36px-1054px}
. Flag-ht {background-position:-36px-1085px}
. Flag-hu {background-position:-36px-1116px}
. Flag-id {background-position:-36px-1147px}
. Flag-ie {background-position:-36px-1178px}
. Flag-il {background-position:-36px-1209px}
. Flag-in {background-position:-36px-1240px}
. Flag-io {background-position:-36px-interval 1px}
. Flag-iq {background-position:-36px-1302px}
. Flag-ir {background-position:-36px-1333px}
. Flag-is {background-position:-36px-1364px}
. Flag-it {background-position:-36px-1395px}
. Flag-jm {background-position:-36px-1426px}
. Flag-jo {background-position:-36px-1457px}
. Flag-jp {background-position:-36px-1488px}
. Flag-ke {background-position:-36px-1519px}
. Flag-kg {background-position:-36px-1550px}
. Flag-kh {background-position:-36px-1581px}
. Flag-ki {background-position:-36px-1612px}
. Flag-km {background-position:-36px-1643px}
. Flag-kn {background-position:-36px-1674px}
. Flag-kp {background-position:-36px-1705px}
. Flag-kr {background-position:-36px-1736px}
. Flag-kw {background-position:-36px-1767px}
. Flag-ky {background-position:-36px-1798px}
. Flag-kz {background-position:-36px-1829px}
. Flag-la {background-position:-36px-1860px}
. Flag-lb {background-position:-36px-1891px}
. Flag-lc {background-position:-36px-1922px}
. Flag-li {background-position:-36px-1953px}
. Flag-lk {background-position:-72px 0}
. Flag-lr {background-position:-72px-31px}
. Flag-ls {background-position:-72px-62px}
. Flag-lt {background-position:-72px-93px}
. Flag-lu {background-position:-72px-124px}
. Flag-lv {background-position:-72px-155px}
. Flag-ly {background-position:-72px-186px}
. Flag-ma {background-position:-72px-217px}
. Flag-mc {background-position:-72px-248px}
. Flag-md {background-position:-72px-279px}
. Flag-me {background-position:-72px-310px}
. Flag-mg {background-position:-72px-342px}
. Flag-mh {background-position:-72px-373px}
. Flag-mk {background-position:-72px-404px}
. Flag-ml {background-position:-72px-435px}
. Flag-mm {background-position:-72px-466px}
. Flag-mn {background-position:-72px-497px}
. Flag-mo {background-position:-72px-528px}
. Flag-mp {background-position:-72px-559px}
. Flag-mq {background-position:-72px-590px}
. Flag-mr {background-position:-72px-621px}
. Flag-ms {background-position:-72px-652px}
. Flag-mt {background-position:-72px-683px}
. Flag-mu {background-position:-72px-714px}
. Flag-mv {background-position:-72px-745px}
. Flag-mw {background-position:-72px-776px}
. Flag-mx {background-position:-72px-807px}
. Flag-my {background-position:-72px-838px}
. Flag-mz {background-position:-72px-869px}
. Flag-na {background-position:-72px-900px}
. Flag-nc {background-position:-72px-931px}
. Flag-ne {background-position:-72px-962px}
. Flag-nf {background-position:-72px-993px}
. Flag-ng {background-position:-72px-1024px}
. Flag-ni {background-position:-72px-1055px}
. Flag-nl {background-position:-72px-1086px}
. Flag-no {background-position:-72px-1117px}
. Flag-np {background-position:-68px-1148px}
. Flag-nr {background-position:-72px-1179px}
. Flag-nu {background-position:-72px-1210px}
. Flag-nz {background-position:-72px-1241px}
. Flag-om {background-position:-72px-1272px}
. Flag-pa {background-position:-72px-1303px}
. Flag-pe {background-position:-72px-1334px}
. Flag-pf {background-position:-72px-1365px}
. Flag-pg {background-position:-72px-1396px}
. Flag-ph {background-position:-72px-1427px}
. Flag-pk {background-position:-72px-1458px}
. Flag-pl {background-position:-72px-1489px}
. Flag-pm {background-position:-72px-1520px}
. Flag-pn {background-position:-72px-1551px}
. Flag-pr {background-position:-72px-1582px}
. Flag-ps {background-position:-72px-1613px}
. Flag-pt {background-position:-72px-1644px}
. Flag-pw {background-position:-72px-1675px}
. Flag-py {background-position:-72px-1706px}
. Flag-qa {background-position:-72px-1737px}
. Flag-re {background-position:-72px-1768px}
. Flag-ro {background-position:-72px-1799px}
. Flag-rs {background-position:-72px-1830px}
. Flag-ru {background-position:-72px-1861px}
. Flag-rw {background-position:-72px-1892px}
. Flag-sa {background-position:-72px-1923px}
. Flag-sb {background-position:-72px-1954px}
. Flag-SC {background-position:-pixel PX 0}
. Flag-scotland {background-position:-pixel PX-31px}
. Flag-sd {background-position:-pixel PX-62px}
. Flag-se {background-position:-pixel PX-93px}
. Flag-sg {background-position:-pixel PX-124px}
. Flag-sh {background-position:-pixel PX-155px}
. Flag-si {background-position:-pixel PX-186px}
. Flag-sj {background-position:-pixel PX-217px}
. Flag-sk {background-position:-pixel PX-248px}
. Flag-sl {background-position:-pixel PX-279px}
. Flag-sm {background-position:-pixel PX-310px}
. Flag-sn {background-position:-pixel PX-341px}
. Flag-so {background-position:-pixel PX-372px}
. Flag-sr {background-position:-pixel PX-403px}
. Flag-st {background-position:-pixel PX-434px}
. Flag-sv {background-position:-pixel PX}
. Flag-sy {background-position:-pixel PX-496px}
. Flag-sz {background-position:-pixel PX-527px}
. Flag-tc {background-position:-pixel PX-558px}
. Flag-td {background-position:-pixel PX-589px}
. Flag-tf {background-position:-pixel PX-620px}
. Flag-tg {background-position:-pixel PX-651px}
. Flag-th {background-position:-pixel PX-682px}
. Flag-tj {background-position:-pixel PX-713px}
. Flag-tk {background-position:-pixel PX-744px}
. Flag-tl {background-position:-pixel PX-775px}
. Flag-tm {background-position:-pixel PX-806px}
. Flag-tn {background-position:-pixel PX-837px}
. Flag-to {background-position:-pixel PX-868px}
. Flag-tr {background-position:-pixel PX-899px}
. Flag-tt {background-position:-pixel PX-930px}
. Flag-TV {background-position:-pixel PX-961px}
. Flag-zh-tw {background-position:-pixel PX-992px}
. Flag-tz {background-position:-pixel PX-1023px}
. Flag-ua {background-position:-pixel PX-1054px}
. Flag-ug {background-position:-pixel PX-1085px}
. Flag-um {background-position:-pixel PX-1116px}
. Flag-en-us {background-position:-pixel PX-1147px}
. Flag-uy {background-position:-pixel PX-1178px}
. Flag-uz {background-position:-pixel PX-1209px}
. Flag-va {background-position:-pixel PX-1240px}
. Flag-vc {background-position:-pixel PX-interval 1px}
. Flag-ve {background-position:-pixel PX-1302px}
. Flag-vg {background-position:-pixel PX-1333px}
. Flag-vi {background-position:-pixel PX-1364px}
. Flag-vn {background-position:-pixel PX-1395px}
. Flag-vu {background-position:-pixel PX-1426px}
. Flag-wales {background-position:-pixel PX-1457px}
. Flag-wf {background-position:-pixel PX-1488px}
. Flag-ws {background-position:-pixel PX-1519px}
. Flag-ye {background-position:-pixel PX-1550px}
. Flag-yt {background-position:-pixel PX-1581px}
. Flag-za {background-position:-pixel PX-1612px}
. Flag-zm {background-position:-pixel PX-1643px}
. Flag-zw {background-position:-pixel PX-1674px}