| Autor | Zpráva | ||
|---|---|---|---|
| Meelkor Profil * |
#1 · Zasláno: 28. 2. 2011, 14:11:53
Zdravím, mám div se stylem overflow: hidden, kde mám text i přes okraje toho divu (ale skrytý) a já ybch potřeboval nějakou JS funkci, aby se ten text začal pomalu v tom divu scrollovat nahoru a tím by mizel začátek textu a vyjížděl by ten, který byl skrytý kvůli přetékání a aby se to zastavilo ve chvíli kdy by šel vidět poslední řádek. Dá se to nějak jednodušše udělat?
Děkuji :-) |
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| TomasJ Profil |
#2 · Zasláno: 28. 2. 2011, 14:26:27 · Upravil/a: TomasJ
Pokud se s tím moc nechceš piplat, doporučuji prográmek JavaScript Collector 1.1.0.4, který takovéto věci umí :)
Konkrétně na to co potřebuješ, ačkoliv manuální scroll (ale to se dá předělat na automat), je tento kód:
<html>
<head>
<style type="text/css">
#divUpControl{position:absolute; width:320; left:10; top:10; z-index:1; text-align: right}
#divDownControl{position:absolute; width:320; left:10; top:270; z-index:1; text-align: right}
#divContainer{position:absolute; width:320; height:240; overflow:hidden; top:30; left:10; clip:rect(0,320,240,0); visibility:hidden}
#divContent{position:absolute; top:0; left:0}
</style>
<script language="JavaScript">// begin absolutely positioned scrollable area object scripts
/*
Extension developed by David G. Miles (www.z3roadster.net/dreamweaver)
Original Scrollable Area code developed by Thomas Brattli
To add more shock to your site, visit www.DHTML Shock.com
*/
function verifyCompatibleBrowser(){
this.ver=navigator.appVersion
this.dom=document.getElementById?1:0
this.ie5=(this.ver.indexOf("MSIE 5")>-1 && this.dom)?1:0;
this.ie4=(document.all && !this.dom)?1:0;
this.ns5=(this.dom && parseInt(this.ver) >= 5) ?1:0;
this.ns4=(document.layers && !this.dom)?1:0;
this.bw=(this.ie5 || this.ie4 || this.ns4 || this.ns5)
return this
}
bw=new verifyCompatibleBrowser()
var speed=50
var loop, timer
function ConstructObject(obj,nest){
nest=(!nest) ? '':'document.'+nest+'.'
this.el=bw.dom?document.getElementById(obj):bw.ie4?document.all[obj]:bw.ns4?eval(nest+'document.'+obj):0;
this.css=bw.dom?document.getElementById(obj).style:bw.ie4?document.all[obj].style:bw.ns4?eval(nest+'document.'+obj):0;
this.scrollHeight=bw.ns4?this.css.document.height:this.el.offsetHeight
this.clipHeight=bw.ns4?this.css.clip.height:this.el.offsetHeight
this.up=MoveAreaUp;this.down=MoveAreaDown;
this.MoveArea=MoveArea; this.x; this.y;
this.obj = obj + "Object"
eval(this.obj + "=this")
return this
}
function MoveArea(x,y){
this.x=x;this.y=y
this.css.left=this.x
this.css.top=this.y
}
function MoveAreaDown(move){
if(this.y>-this.scrollHeight+objContainer.clipHeight){
this.MoveArea(0,this.y-move)
if(loop) setTimeout(this.obj+".down("+move+")",speed)
}
}
function MoveAreaUp(move){
if(this.y<0){
this.MoveArea(0,this.y-move)
if(loop) setTimeout(this.obj+".up("+move+")",speed)
}
}
function PerformScroll(speed){
if(initialised){
loop=true;
if(speed>0) objScroller.down(speed)
else objScroller.up(speed)
}
}
function CeaseScroll(){
loop=false
if(timer) clearTimeout(timer)
}
var initialised;
function InitialiseScrollableArea(){
objContainer=new ConstructObject('divContainer')
objScroller=new ConstructObject('divContent','divContainer')
objScroller.MoveArea(0,0)
objContainer.css.visibility='visible'
initialised=true;
}
// end absolutely positioned scrollable area object scripts
</script>
</head>
<body onLoad="InitialiseScrollableArea()">
<!-- begin absolutely positioned scrollable area object-->
<div id="divUpControl"> <a href="javascript:;" onMouseOver="PerformScroll(-7)" onMouseOut="CeaseScroll()">[scroll
up]</a> </div>
<div id="divDownControl"> <a href="javascript:;" onMouseOver="PerformScroll(7)" onMouseOut="CeaseScroll()">[scroll
down]</a> </div>
<div id="divContainer">
<div id="divContent"> <b>Scroll Area Content Start</b>
<p> Lorem ipsum dolor sit amet, consectetur adipscing elit, sed diam nonnumy
eiusmod tempor incidunt ut labore et dolore magna aliquam erat volupat.</p>
<p>Et harumd dereud facilis est er expedit distinct. Nam liber a tempor cum
soluta nobis eligend optio comque nihil quod a impedit anim id quod maxim
placeat facer possim omnis es voluptas assumenda est, omnis dolor repellend.
Temporem autem quinsud et aur office debit aut tum rerum necesit atib saepe
eveniet ut er repudiand sint et molestia non este recusand.</p>
<p>Lorem ipsum dolor sit amet, consectetur adipscing elit, sed diam nonnumy
eiusmod tempor incidunt ut labore et dolore magna aliquam erat volupat.</p>
<p>Et harumd dereud facilis est er expedit distinct. Nam liber a tempor cum
soluta nobis eligend optio comque nihil quod a impedit anim id quod maxim
placeat facer possim omnis es voluptas assumenda est, omnis dolor repellend.
Temporem autem quinsud et aur office debit aut tum rerum necesit atib saepe
eveniet ut er repudiand sint et molestia non este recusand.</p>
<b>Scroll Area Content End</b> </div>
</div>
<!-- end absolutely positioned scrollable area object -->
</body>
</html>
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Časová prodleva: 13 let
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