slide可伸缩的文字框效果,JavaScript代码

发布时间：2018-08-24 07:22:04 所属栏目：PHP教程来源：站长网

导读：slide文字框缩放伸展效果， Java Script代码。自己闲来无事写的，不是太好，可能在兼容性方面还需努力，展开速度方面， IE8 和火狐的展开速度不一样，火狐下更快一些，至今没找到原因，也请JS高人指点江山。特效演示： !DOCTYPE htmlhtmlheadmeta http-eq

　　slide文字框缩放伸展效果，JavaScript代码。自己闲来无事写的，不是太好，可能在兼容性方面还需努力，展开速度方面，IE8和火狐的展开速度不一样，火狐下更快一些，至今没找到原因，也请JS高人指点江山。

　　特效演示：

<!DOCTYPE html> <html> <head> <meta http-equiv="content" content="text/html charset=gb2312"> <title>slide文字框缩放伸展效果</title> <style type="text/css"> *{margin:0; padding:0;} ul{list-style:none;} .box{width:300px; margin:10px; border:1px solid #ccc; overflow:hidden; position:relative; font-size:12px;} .oHx{height:30px; background:#eee; line-height:30px; font-size:14px; text-indent:14px; cursor:pointer;} .fold{position:absolute; top:9px; right:12px;} .box_content{line-height:18px; overflow:hidden; display:none;} </style> <script type="text/javascript"> function getElementsByClassName(className,id,tag){ tag = tag || "*"; if(id){ var id = typeof id == "string" ? $(id) : id; }else{ var id = document.body; } var els = id.getElementsByTagName(tag),arr = []; for(var i=0,n=els.length;i<n;i++){ for(var j=0,k=els[i].className.split(" "),l=k.length;j<l;j++){ if(k[j]==className){ arr.push(els[i]); break; } } } return arr; }; function Slide(slideClass,slideBtn,slideCon,slideSpeed) { this.oSlides = getElementsByClassName(slideClass); this.oTimer = null; this.slideBtn = slideBtn; this.slideCon = slideCon; this.slideSpeed = slideSpeed; } Slide.prototype = { oTimer:null, _init:function (){ this._slideEvent(); }, _slideEvent:function (){ var This = this; for(var i = 0,n=This.oSlides.length;i<n;i++){ (function(n){ var oSlide = This.oSlides[n]; var oSlideBtn = getElementsByClassName(This.slideBtn,oSlide)[0]; var oSlideCon = getElementsByClassName(This.slideCon,oSlide)[0]; oSlideBtn.onclick = function (){ if(oSlideCon.style.display == "block" && This.oTimer == null){ This._slideClose(oSlideCon); }else if(!(oSlideCon.style.display == "block" ) && This.oTimer == null){ This._slideOpen(oSlideCon); } } })(i) } }, _slideOpen:function (slideCon){ var This = this; slideCon.style.display = "block"; slideCon.style.height = "auto"; var slideHeight = slideCon.offsetHeight; slideCon.style.height = 0 + "px"; This.oTimer = setInterval(function (){ if(slideCon.offsetHeight < slideHeight){ slideCon.style.height = slideCon.offsetHeight + 2 + "px"; }else{ clearInterval(This.oTimer); This.oTimer = null; } },This.slideSpeed); }, _slideClose:function (slideCon){ var This = this; This.oTimer = setInterval(function (){ if(slideCon.offsetHeight <= 0){ clearInterval(This.oTimer); slideCon.style.display = "none"; This.oTimer = null; }else{ slideCon.style.height =slideCon.offsetHeight - 2 + "px"; } },This.slideSpeed); } } </script> </head> <body> <div class="box"> <div class="oHx slide">收缩2</div> <div class="box_content"> <ul class="uft" style="padding:10px;"> <li>·<a target="_blank" href="http://www.veryhuo.com/a/view/15358.html">关于在烈火网投递稿件的最新说明</a></li> <li>·<a target="_blank" href="http://www.veryhuo.com/a/view/13137.html">新年伊始烈火网改版与内容策划启航</a></li> <li>·<a target="_blank" href="http://www.veryhuo.com/a/view/12819.html">烈火网恭祝全国广大网友2010新年快乐</a></li> </ul> </div> </div> <div class="box"> <div class="oHx slide">收缩3</div> <div class="box_content"> <ul class="uft"style="padding:10px;"> <li>·<a target="_blank" href="http://www.veryhuo.com/a/view/28088.html">刘强东：发现电脑艳照？我立马赔10万现</a></li> <li>·<a target="_blank" href="http://www.veryhuo.com/a/view/27615.html">英国女王伊丽莎白二世开通Facebook主页</a></li> <li>·<a target="_blank" href="http://www.veryhuo.com/a/view/27437.html">美女副总裁玛丽莎梅耶尔谈 Google 最大</a></li> <li>·<a target="_blank" href="http://www.veryhuo.com/a/view/27358.html">3721的华丽转身 360的成长史</a></li> </ul> </div> </div> <script type="text/javascript"> var mySlide = new Slide("box","slide","box_content",10); mySlide._slideEvent(); </script> </body> </html><br /><center>如不能显示效果，请按Ctrl+F5刷新本页，更多网页代码：<a href='http://www.veryhuo.com/' target='_blank'>http://www.veryhuo.com/</a></center>
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