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Mit diesen JavaSctipt kann man einen Text durch einen Fade- Effekt als Highlight auf der Seite erscheinen lassen.
Autor: Adam Michela
zur Demo
in <head> einfügen
<!-- Created by: Adam Michela -->
<script type="text/javascript">
var Fat = {
make_hex : function (r,g,b) {
r = r.toString(16); if (r.length == 1) r = '0' + r;
g = g.toString(16); if (g.length == 1) g = '0' + g;
b = b.toString(16); if (b.length == 1) b = '0' + b;
return "#" + r + g + b;
},
fade_all : function () {
var a = document.getElementsByTagName("*");
for (var i = 0; i < a.length; i++) {
var o = a[i];
var r = /fade-?(\w{3,6})?/.exec(o.className);
if (r) {
if (!r[1]) r[1] = "";
if (o.id) Fat.fade_element(o.id,null,null,"#"+r[1]);
}
}
},
fade_element : function (id, fps, duration, from, to) {
if (!fps) fps = 30;
if (!duration) duration = 3000;
if (!from || from=="#") from = "#FFFF33";
if (!to) to = this.get_bgcolor(id);
var frames = Math.round(fps * (duration / 1000));
var interval = duration / frames;
var delay = interval;
var frame = 0;
if (from.length < 7) from += from.substr(1,3);
if (to.length < 7) to += to.substr(1,3);
var rf = parseInt(from.substr(1,2),16);
var gf = parseInt(from.substr(3,2),16);
var bf = parseInt(from.substr(5,2),16);
var rt = parseInt(to.substr(1,2),16);
var gt = parseInt(to.substr(3,2),16);
var bt = parseInt(to.substr(5,2),16);
var r,g,b,h;
while (frame < frames) {
r = Math.floor(rf * ((frames-frame)/frames) + rt * (frame/frames));
g = Math.floor(gf * ((frames-frame)/frames) + gt * (frame/frames));
b = Math.floor(bf * ((frames-frame)/frames) + bt * (frame/frames));
h = this.make_hex(r,g,b);
setTimeout("Fat.set_bgcolor('"+id+"','"+h+"')", delay);
frame++;
delay = interval * frame;
}
setTimeout("Fat.set_bgcolor('"+id+"','"+to+"')", delay);
},
set_bgcolor : function (id, c) {
var o = document.getElementById(id);
o.style.backgroundColor = c;
},
get_bgcolor : function (id) {
var o = document.getElementById(id);
while(o) {
var c;
if (window.getComputedStyle) c = window.getComputedStyle(o,null).getPropertyValue("background-color");
if (o.currentStyle) c = o.currentStyle.backgroundColor;
if ((c != "" && c != "transparent") || o.tagName == "BODY") { break; }
o = o.parentNode;
}
if (c == undefined || c == "" || c == "transparent") c = "#FFFFFF";
var rgb = c.match(/rgb\s*\(\s*(\d{1,3})\s*,\s*(\d{1,3})\s*,\s*(\d{1,3})\s*\)/);
if (rgb) c = this.make_hex(parseInt(rgb[1]),parseInt(rgb[2]),parseInt(rgb[3]));
return c;
}
}
// Created by: Simon Willison
// http://simon.incutio.com/archive/2004/05/26/addLoadEvent
function addLoadEvent(func) {
var oldonload = window.onload;
if (typeof window.onload != 'function') {
window.onload = func;
} else {
window.onload = function() {
if (oldonload) {
oldonload();
}
func();
}
}
}
addLoadEvent(function() {
Fat.fade_all();
});
</script>
Beispiel für <body>
<p id="paragraph1" class="fade-0066FF">
Lorem ipsum dolor sit amet, consectetuer adipiscing elit, sed diam nonummy nibh euismod tincidunt ut laoreet dolore magna aliquam erat volutpat. Ut wisi enim ad minim veniam, quis nostrud exerci tation ullamcorper suscipit lobortis nisl ut aliquip ex ea commodo consequat.</p>
<p id="paragraph2" class="fade-fff4bf">
Ma quande lingues coalesce, li grammatica del resultant lingue es plu simplic e regulari quam ti del coalescent lingues. Li nov lingua franca va esser plu simplic e regulari quam li existent Europan lingues.</p>
<p id="paragraph3" class="fade">
Lorem ipsum dolor sit amet, consectetuer adipiscing elit, sed diam nonummy nibh euismod tincidunt ut laoreet dolore magna aliquam erat volutpat. Ut wisi enim ad minim veniam, quis nostrud exerci tation ullamcorper suscipit lobortis nisl ut aliquip ex ea commodo consequat.</p>
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