话不多说，请看代码：
<Meta charset="UTF-8">
倒计时-多种格式<a href="/tag/diaoyong/" target="_blank" class="keywords">调用</a>-原生js封装
css-3*/
white-space: -moz-pre-wrap; /*Mozilla,since1999*/
white-space: -pre-wrap; /*Opera4-6*/
white-space: -o-pre-wrap; /*Opera7*/
word-wrap: break-word; /*InternetExplorer5.5+*/
}
.example{
padding-top:40px;
margin-bottom:90px;
}
.example .call{
padding:18px 5px;
background:#f0f5f8;
}
.example h2{
padding-top:20px;
margin-bottom:7px;
}
.example table {
width:100%;
table-layout:fixed;
border-collapse: collapse;
border-spacing: 0;
border: 1px solid #cee1ee;
border-left: 0;
}
.example thead {
border-bottom: 1px solid #cee1ee;
background-color: #e3eef8;
}
.example tr {
line-height: 24px;
font-size: 13px;
}
.example tr:nth-child(2n) {
background-color: #f0f5f8;
}
.example tr th,.example tr td {
border-left: 1px solid #cee1ee;
word-break: break-all;
word-wrap: break-word;
padding:0 10px;
font-weight: normal;
}
.example tr th {
color: #555;
padding-top: 2px;
padding-bottom: 2px;
text-align: left;
}
/*公共*/
.select-container {
width: 186px;
margin: 80px 0;
position: relative;
z-index: 10000;
}
.select-container .select-pose {
width: 150px;
height: 24px;
line-height: 24px;
display: block;
color: #807a62;
cursor: pointer;
font-style: normal;
padding-left: 4px;
padding-right: 30px;
border: 1px solid #333333; /* background: url(xjt.png) no-repeat right center; */
}
.select-pose:before {
content: '';
position: absolute;
right: 7px;
bottom: 7px;
width: 0;
height: 0;
border-width: 4px;
border-style: solid;
border-color: #888 transparent transparent transparent;
transition: all 0.2s;
-webkit-transition: all 0.2s;
-moz-transition: all 0.2s;
-o-transition: all 0.2s;
-ms-transition: all 0.2s;
transform-origin: 50% 25%;
-ms-transform-origin: 50% 25%;
-moz-transform-origin: 50% 25%;
-webkit-transform-origin: 50% 25%;
-o-transform-origin: 50% 25%;
}
.extended.select-pose:before {
transform: rotate(180deg);
-webkit-transform: rotate(180deg);
-moz-transform: rotate(180deg);
-o-transform: rotate(180deg);
-ms-transform: rotate(180deg);
}
.select-container .select-content {
width: 184px;
border: 1px solid #333333;
background-color: #ffffff;
position: absolute;
z-index: 20000;
margin-top: -1px;
display: none;
overflow: hidden;
}
.select-list{
cursor: pointer;
height: 24px;
line-height: 24px;
padding-left: 10px;
}
@H_301_7@ 1) {
var x = [];
return this.container.each(function() {
x.push(new Select(this,opts))
}),x
}
this.containers=this.container[0];
this.pose=this.container.find(".select-pose")[0];
this.content=this.container.find(".select-content")[0];
this.list=this.container.find(".select-list");
this.index=-1;
this.init();
}
Select.prototype = {
//初始化
init: function() {
var self = this;
this.page();
this.event();
this.mover();
},event:function(){
var self = this;
self.pose.addEventListener('click',function(e) {
e = e || window.event;
e.stopPropagation ? e.stopPropagation() : e.cancelBubble = true;
var oSrc = e.srcElement || e.target;
if(oSrc.className.indexOf('extended') > -1){
self.resetM();
}else{
oSrc.classList.add("extended");
self.content.style.display = "block";
}
},false);
},//鼠标经过list
mover:function(){
var self = this;
var list=this.list;
for (var i = 0; i < list.length; i++) {
!function(i){
list[i].addEventListener('mouSEOver',function(e) {
self.resetA();
this.style.background = self.params.after;
self.index=i;
},false);
}(i)
list[i].addEventListener('click',function(e) {
self.pose.innerHTML = this.innerHTML;
},false);
}
},resetA:function(){
var self = this;
var list=this.list;
for (var i = 0; i < list.length; i++) {
list[i].style.background = self.params.before;
}
},resetM:function(){
var self = this;
self.content.style.display = "none";
self.pose.classList.remove("extended");
self.resetA();
},// 点击页面空白处时
page:function(){
var self = this;
document.addEventListener('click',function(e) {
self.resetM();
},false);
document.addEventListener('keydown',function(e) {
e = e || window.event;
var keyVel=e.keyCode;
if (keyVel == 38 || keyVel == 37) {
e.preventDefault ? e.preventDefault() : e.returnValue = false;//取消事件默认行为
self.index--;
if (self.index < 0) {
self.index = self.list.length-1;
}
self.resetA();
self.list[self.index].style.backgroundColor = self.params.after;
} else if (keyVel == 39 || keyVel == 40) {
e.preventDefault ? e.preventDefault() : e.returnValue = false;//取消事件默认行为
self.index++;
if (self.index > self.list.length-1) {
self.index = 0;
}
self.resetA();
self.list[self.index].style.backgroundColor = self.params.after;
}else if(keyVel == 13 && self.index != -1){
e.preventDefault ? e.preventDefault() : e.returnValue = false;
self.pose.innerHTML = self.list[self.index].innerHTML;
self.index = -1;
self.resetA();
self.resetM();
}
},}
var r = (function() {
var e = function(e) {
var a = this,t = 0;
for (t = 0; t < e.length; t++) {
a[t] = e[t];
}
return a.length = e.length,this
};
e.prototype = {
addClass: function(e) {
if ("undefined" == typeof e) return this;
for (var a = e.split(" "),t = 0; t < a.length; t++)
for (var r = 0; r < this.length; r++) this[r].classList.add(a[t]);
return this
},each: function(e) {
for (var a = 0; a < this.length; a++) e.call(this[a],a,this[a]);
return this
},html: function(e) {
if ("undefined" == typeof e) return this[0] ? this[0].innerHTML : void 0;
for (var a = 0; a < this.length; a++) this[a].innerHTML = e;
return this
},find: function(a) {
for (var t = [],r = 0; r < this.length; r++)
for (var i = this[r].querySelectorAll(a),s = 0; s < i.length; s++) t.push(i[s]);
return new e(t)
},append: function(a) {
var t,r;
for (t = 0; t < this.length; t++)
if ("string" == typeof a) {
var i = document.createElement("div");
for (i.innerHTML = a; i.firstChild;) this[t].appendChild(i.firstChild)
} else if (a instanceof e)
for (r = 0; r < a.length; r++) this[t].appendChild(a[r]);
else this[t].appendChild(a);
return this
},}
var a = function(a,t) {
var r = [],i = 0;
if (a && !t && a instanceof e) {
return a;
}
if (a) {
if ("string" == typeof a) {
var s,n,o = a.trim();
if (o.indexOf("<") >= 0 && o.indexOf(">") >= 0) {
var l = "div";
for (0 === o.indexOf(":~]/) ? (t || document).querySelectorAll(a) : [document.getElementById(a.split("#")[1])],i = 0; i < s.length; i++) s[i] && r.push(s[i])
} else if (a.nodeType || a === window || a === document) {
r.push(a);
} else if (a.length > 0 && a[0].nodeType) {
for (i = 0; i < a.length; i++) {
r.push(a[i]);
}
}
}
return new e(r)
};
return a;
}())
window.select = Select;
})()
/*封装代码*/
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