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Javascript scroll bar to dynamically load content

Source: Internet
Author: User
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<! DOCTYPE html PUBliC "-// W3C // dtd xhtml 1.0 Transitional // EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<Html xmlns = "http://www.w3.org/1999/xhtml" lang = "zh-CN">
<Head>
<Meta http-equiv = "Content-Type" content = "text/html; charset = gb2312"/>
<Script type = "text/javascript" src = "http://www.miiceic.org.cn/templets/js/jquery-1.3.1.js"> </script>
<Title> enterprise training, IT training, database training, android training, and embedded training </title>
</Head>
<Script type = "text/javascript">
Function insertcode (){
Var $ body = $ ("body ");
$ Body. append ('<div style = \ "height: 1000px; font-size: 24px; \ "> <a href = \" http://www.miiceic.org.cn/\ "target = \" _ blank \ "> enterprise training </a> <br/> <a href = \" http://www.amboedu.com/ \ "target = \" _ blank \ "> Vocational Education </a> <br/> <a href = \" http://www.ciitn.com/\ "target = \" _ blank \ "> information Industry Training Network </a> <br/> <a href = \ "http://www.miiceic.org.cn/amt2011/\" target = \ "_ blank \"> android PK Iphone </a> <br/> </div> ')
$ ("# Page_tag_load"). hide ();
}
Function endcode (){
$ ("# Page_tag_load"). hide ();
}
$ (Document). ready (function (){
$ (Window). scroll (function (){
Var $ body = $ ("body ");
Var $ html = "";
$ Html + = "<br/>" + ($ (window). height () + $ (window). scrollTop ());
$ Html + = "<br/> window. height:" + $ (window). height ();
$ Html + = "<br/> body. height:" + $ body. height ();
$ Html + = "<br/> window. scrollTop:" + $ (window). scrollTop ();
$ ("# Page_tag_bottom" ).html ($ html );

/* Determine whether the sum of the form height and vertical scroll displacement exceeds the content page height */
If ($ (window). height () + $ (window). scrollTop () >=$ body. height ()){
$ ("# Page_tag_load"). show ();
// SetTimeout (insertcode, 1000);/* IE does not support */
If ($ (window). height () + $ (window). scrollTop () <3000 ){
Insertcode ();
}
Else {
Endcode ();
}
}
});
});
</Script>
</Head>

<Body>
<Div style = "height: 1000px; font-size: 24px; "> <a href =" http://www.miiceic.org.cn/"target =" _ blank "> enterprise training </a> <br/> <a href =" http://www.amboedu.com/"target =" _ blank "> Vocational Education </a> <br/> <a href =" http://www.ciitn.com/"target =" _ blank "> Information Industry Training Network </a> <br/> <Div id = "page_tag_bottom" style = "width: 100%; position: fixed; _ position: absolute; top: 0px; background-color: # cccccc; height: 120px; "> </div>
<Div id = "page_tag_load" style = "display: none; font-size: 14px; position: fixed; bottom: 0px; background-color: # cccccc; height: 50px; "> loading... </div>
</Body>
</Html>
Author: "jjklmm"

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