发布于 2017-06-30 22:53:43 | 180 次阅读 | 评论: 0 | 来源: 网友投递

这里有新鲜出炉的Javascript教程,程序狗速度看过来!

JavaScript客户端脚本语言

Javascript 是一种由Netscape的LiveScript发展而来的原型化继承的基于对象的动态类型的区分大小写的客户端脚本语言,主要目的是为了解决服务器端语言,比如Perl,遗留的速度问题,为客户提供更流畅的浏览效果。


大家对下拉菜单并不陌生吧,下面为大家介绍下使用js实现下拉菜单语言选项,具体实现如下,喜欢的朋友可以看看

旗子图片
 
(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(){ 
$(this).css("height",28) 
}); 
}); 
$(jSelect).find("li:not(.s)").click(function(){ 
var cContent=$(jSelect).find("li:first").html(); 
var cdContent = $(this).html(); 
$(jSelect).find("li:first").html(cdContent); 
$(this).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); 

 
<ul id="language" class="jsSelect"><li><a href="#" class="s"><i class="flag-en-us"></i>English</a></li><li><a href="#"> <i class="flag-zh-cn"></i>简体中文</a></li><li><a href="#"><i class="flag-zh-tw"></i>繁体中文</a></li> 
</ul> 

 
<link href="/public/css/flags.css" rel="stylesheet" type="text/css" /> 
<style> 
*{ 
margin:0px; 
padding: 0px; 
} 
body{ 
margin: 10px; 
} 


ul.jsSelect { 
width:121px; 
height: 28px; 
display:inline; 
margin-left:-2px; 
overflow:hidden; 
background:#FFF; 
float:left; 
border:1px solid #ccc; 
padding:0; 
} 
ul.jsSelect li { 
margin:0px; 
width:118px; 
height:28px; 
line-height:30px; 
font-size: 14px; 
font-weight: bold; 
cursor:pointer; 
padding:0px 3px; 
color:#ccc; 
border:none; 
list-style: none; 
} 
ul.jsSelect li a{ 
text-decoration: none; 
} 
ul.jsSelect .s { 
margin:0; 
display: block; 
margin-left: 0px; 
cursor: pointer; 
color: #666; 
border: none; 
background-image: url(images/68_60.png); 
background-repeat: no-repeat; 
background-position: 54px -30px; 
} 

</style> 

flag.css
 
[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 -465px} 
.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 -1271px} 
.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 -465px} 
.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 -1271px} 
.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:-108px 0} 
.flag-scotland{background-position:-108px -31px} 
.flag-sd{background-position:-108px -62px} 
.flag-se{background-position:-108px -93px} 
.flag-sg{background-position:-108px -124px} 
.flag-sh{background-position:-108px -155px} 
.flag-si{background-position:-108px -186px} 
.flag-sj{background-position:-108px -217px} 
.flag-sk{background-position:-108px -248px} 
.flag-sl{background-position:-108px -279px} 
.flag-sm{background-position:-108px -310px} 
.flag-sn{background-position:-108px -341px} 
.flag-so{background-position:-108px -372px} 
.flag-sr{background-position:-108px -403px} 
.flag-st{background-position:-108px -434px} 
.flag-sv{background-position:-108px -465px} 
.flag-sy{background-position:-108px -496px} 
.flag-sz{background-position:-108px -527px} 
.flag-tc{background-position:-108px -558px} 
.flag-td{background-position:-108px -589px} 
.flag-tf{background-position:-108px -620px} 
.flag-tg{background-position:-108px -651px} 
.flag-th{background-position:-108px -682px} 
.flag-tj{background-position:-108px -713px} 
.flag-tk{background-position:-108px -744px} 
.flag-tl{background-position:-108px -775px} 
.flag-tm{background-position:-108px -806px} 
.flag-tn{background-position:-108px -837px} 
.flag-to{background-position:-108px -868px} 
.flag-tr{background-position:-108px -899px} 
.flag-tt{background-position:-108px -930px} 
.flag-tv{background-position:-108px -961px} 
.flag-zh-tw{background-position:-108px -992px} 
.flag-tz{background-position:-108px -1023px} 
.flag-ua{background-position:-108px -1054px} 
.flag-ug{background-position:-108px -1085px} 
.flag-um{background-position:-108px -1116px} 
.flag-en-us{background-position:-108px -1147px} 
.flag-uy{background-position:-108px -1178px} 
.flag-uz{background-position:-108px -1209px} 
.flag-va{background-position:-108px -1240px} 
.flag-vc{background-position:-108px -1271px} 
.flag-ve{background-position:-108px -1302px} 
.flag-vg{background-position:-108px -1333px} 
.flag-vi{background-position:-108px -1364px} 
.flag-vn{background-position:-108px -1395px} 
.flag-vu{background-position:-108px -1426px} 
.flag-wales{background-position:-108px -1457px} 
.flag-wf{background-position:-108px -1488px} 
.flag-ws{background-position:-108px -1519px} 
.flag-ye{background-position:-108px -1550px} 
.flag-yt{background-position:-108px -1581px} 
.flag-za{background-position:-108px -1612px} 
.flag-zm{background-position:-108px -1643px} 
.flag-zw{background-position:-108px -1674px} 


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