JS Object-oriented approach to implement down-carousel image Advertising Code

Source: Internet
Author: User
Tags filter object count implement net relative return tagname

Article Introduction: JS Web page production examples, automatic carousel advertising instances, with JS implementation, object-oriented approach to achieve! Web page Teaching Net friend if have like can take to revise!

JS Web page production examples, automatic carousel advertising instances, with JS implementation, object-oriented approach to achieve! Web page Teaching Net friend if have like can take to revise!

01.<! DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 transitional//en" "Http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd ">

02.
03.<meta http-equiv= "Content-type" content= "text/html; Charset=utf-8 ">

04.<title> down automatic carousel Picture effects (object-oriented version)-Web teaching network www.webjx.cm</title>

05.<style>

06.body,div,ul,li{margin:0;padding:0;}

07.ul{list-style-type:none;}

08.body{background: #000; text-align:center;font:12px/20px Arial;

#box {position:relative;width:492px;height:153px;background: #fff; border-radius:5px;border:8px solid #fff; margin:10px Auto;cursor:pointer;}

#box. list{position:relative;width:490px;height:150px;overflow:hidden;margin-top:5px;

#box. List ul{position:absolute;top:0;left:0;}

#box. List Li{width:490px;height:170px;overflow:hidden;}

#box. List Li img{border:5px solid Black}

#box. count{position:absolute;right:0;bottom:-30px;

#box. Count Li{color: #fff; float:left;width:20px;height:20px;cursor:pointer;margin-right:5px;overflow:hidden; Background: #F90; Opacity:0.7;filter:alpha (opacity=70); border-radius:20px; margin:0; Padding:0;s}

#box. Count Li.current{color: #fff; Opacity:1;filter:alpha (opacity=100); Font-weight:700;background: #f60;}

17.

18.</style>

19.<script type= "Text/javascript" >

20.var $ = function (ID) {return typeof id = = "string"? document.getElementById (ID): ID};

21.var $ = function (TagName, oparent) {return (oparent document). getElementsByTagName (TagName)};

22.var autoplay = function (id) {this.initialize (id)};

23.autoplay.prototype = {

24.initialize:function (ID)

25.{

var othis = this;

This.obox = $ (ID);

This.oul = $ ("ul", This.obox) [0];

This.oli = $ ("li", This.obox);

This.aimg = $ ("img", This.obox);

This.timer = null;

This.autotimer = null;

This.inow = 0;

THIS.CREATBTN ()/* Method A/*

THIS.ABTN = $ ("li", this.ocount);

/*this.toggle ();

This.autotimer = setinterval (function () {Othis.next ()}, 2000);

This.oBox.onmouseover = function ()

{clearinterval (Othis.autotimer)};

This.oBox.onmouseout = function ()

{Othis.autotimer = setinterval (function () {Othis.next ()}, 2000)};

for (var i = 0; i < this.aBtn.length; i++)

43. {

This.abtn[i].index = i;

This.abtn[i].onmouseover = function () {Othis.inow = This.index;othis.toggle ()}

46.}

47.},

48.

49.creatbtn:function () {

This.ocount = document.createelement ("ul");

This.ofrag = Document.createdocumentfragment ();

This.oCount.className = "Count";

-for (var i = 0; i < this.aImg.length; i++)

54. {

var oLi = document.createelement ("Li");

oli.innerhtml = i + 1;

This.oFrag.appendChild (OLi);

58.}

This.oBox.appendChild (This.ocount);

This.oCount.appendChild (This.ofrag);

61.},

62.

63.toggle:function ()

64.{0

for (var i = 0; i < this.aBtn.length; i++) this.abtn[i].classname = "";

This.abtn[this.inow].classname = "current";

This.domove (-(This.inow * (this.oli[0].offsetheight))

68.},

69.next:function ()

70.{

this.inow++;

This.inow = = This.aBtn.length && (this.inow = 0);

This.toggle ()

74.},

75.domove:function (ITarget)

76.{

var othis = this;

Clearinterval (Othis.timer);

Othis.timer = setinterval (function ()

{var ispeed = (itarget-othis.oul.offsettop)/5;

Bayi. ispeed = ispeed > 0? Math.ceil (ispeed): Math.floor (Ispeed);

OThis.oUl.offsetTop = = ITarget? Clearinterval (Othis.timer): (oThis.oUl.style.top = oThis.oUl.offsetTop + ispeed + "px")},

83.

84.30)

85.}

86.

87.};

88.window.onload = function () {New AutoPlay ("box");

89.</script>

90.

91.
92.

93.<body>

94.<div id= "box" >

<div class= "List" >

<ul >

<li><a href= "#" ></a></li>

<li><a href= "#" ></a></li>

<li><a href= "#" ></a></li>

<li><a href= "#" ></a></li>

<li><a href= "#" ></a></li>

102. <li><a href= "#" ></a></li>

<li><a href= "#" ></a></li>

<li><a href= "#" ></a></li>

<li><a href= "#" ></a></li>

<li><a href= "#" ></a></li>

<li><a href= "#" ></a></li>

108. <li><a href= "#" ></a></li>

109. <li><a href= "#" ></a></li>

<li><a href= "#" ></a></li>

<li><a href= "#" ></a></li>

112. <li><a href= "#" ></a></li>

113. <li><a href= "#" ></a></li>

114. <li><a href= "#" ></a></li>

<li><a href= "#" ></a></li>

116. <li><a href= "#" ></a></li>

117.

118. </ul>

119. </div>

120.<ul class= "Count" style= "Display:none;" ><li class= "" >1</li><li class= "" >2</li><li class= "current" >3</li><li Class= "" >4</li><li class= "" >5</li></ul></div>

121.</body>


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