Waterfall stream color Random Loading scroll

Last Update:2014-08-27 Source: Internet

Author: User

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<! Doctype HTML>
<HTML>
<Head>
<Meta charset = "UTF-8">
<Title> untitled document </title>
<Style>
* {Margin: 0; padding: 0}
# Box {width: 700px; margin: 0 auto ;}
# Box ul {width: 198px; float: Left; Border: 1px solid #000; margin-Right: 50px ;}
# Box ul Li {list-style: none; font-size: 100px; color: # FFF ;}
</Style>
<SCRIPT>
Function Test ()
{
VaR obox = Document. getelementbyid ('box ');
VaR aul = obox. Children;
VaR n = 0;
// 20 at a time
For (VAR I = 0; I <20; I ++)
{

Function RND (n, m)
{
Return parseint (math. Random () * (m-n + 1) + n );
};
VaR Oli = Document. createelement ('lil ');
N ++;
Oli. innerhtml = N;
Oli. style. Height = RND (100,400) + 'px ';
Oli. style. Background = 'rgb ('+ RND (0,255) +', '+ RND (0,255) +', '+ RND (0,255) + ')';
// Find the smallest ul
VaR oul;
If (aul [0]. offsetheight <aul [1]. offsetheight)
{
If (aul [0]. offsetheight <aul [2]. offsetheight)
{
Oul = aul [0];
}
Else
{
Oul = aul [2];
};
}
Else
{
If (aul [1]. offsetheight <aul [2]. offsetheight)
{
Oul = aul [1];
}
Else
{
Oul = aul [2];
};
};
Oul. appendchild (Oli );
};

}

Window. onload = function ()
{Test ();
}

// The scroll distance of the scroll bar on the Y axis
Function getscrolltop (){
VaR scrolltop = 0, bodyscrolltop = 0, documentscrolltop = 0;
If (document. Body ){
Bodyscrolltop = Document. Body. scrolltop;
}
If(document.doc umentelement ){
Documentscrolltop = document.doc umentelement. scrolltop;
}
Scrolltop = (bodyscrolltop-documentscrolltop> 0 )? Bodyscrolltop: documentscrolltop;
Return scrolltop;
}

// Document height
Function getscrollheight (){
VaR scrollheight = 0, bodyscrollheight = 0, documentscrollheight = 0;
If (document. Body ){
Bodyscrollheight = Document. Body. scrollheight;
}
If(document.doc umentelement ){
Documentscrollheight = document.doc umentelement. scrollheight;
}
Scrollheight = (bodyscrollheight-documentscrollheight> 0 )? Bodyscrollheight: documentscrollheight;
Return scrollheight;
}

// The height of the browser.
Function getwindowheight (){
VaR required wheight = 0;
If (document. compatmode = "css1compat "){
Required wheight = document.doc umentelement. clientheight;
} Else {
Optional wheight = Document. Body. clientheight;
}
Return optional wheight;
}

Window. onscroll = function (){
If (getscrolltop () + getwindowheight ()> = getscrollheight ()-300 ){
// Alert ("You are in the bottom! ");
Test ()
}
};

</SCRIPT>
</Head>

<Body>

</Body>
</Html>

Waterfall stream color Random Loading scroll

This article is an English version of an article which is originally in the Chinese language on aliyun.com and is provided for information purposes only. This website makes no representation or warranty of any kind, either expressed or implied, as to the accuracy, completeness ownership or reliability of the article or any translations thereof. If you have any concerns or complaints relating to the article, please send an email, providing a detailed description of the concern or complaint, to info-contact@alibabacloud.com. A staff member will contact you within 5 working days. Once verified, infringing content will be removed immediately.

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Waterfall stream color Random Loading scroll

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