渐变文本
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<!-- 第 1 步： -->
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<script>
<!-- Hide the script from old browsers --
function MakeArray(n){
this.length=n;
for(var i=1; i<=n; i++) this[i]=i-1;
return this
}
hex=new MakeArray(16);
hex[11]="A";
hex[12]="B";
hex[13]="C";
hex[14]="D";
hex[15]="E";
hex[16]="F";
function ToHex(x){
// Changes a int to hex (in the range 0 to 255)
var high=x/16;
var s=high+"";
//1
s=s.substring(0,2);
//2 the combination of these are the same as the trunc function
high=parseInt(s,10);
//3
var left=hex[high+1];
// left part of the hex-value
var low=x-high*16;
// calculate the rest of the values
s=low+"";
//1
s=s.substring(0,2);
//2 the combination of these are the same as the trunc function
low=parseInt(s,10);
//3
var right=hex[low+1];
// right part of the hex-value
var string=left+""+right;
// add the high and low together
return string;
}
function fadein(text){
text=text.substring(3,text.length-4);
// gets rid of the HTML-comment-tags
color_d1=255;
color_d1b=255;
color_d1c=255;
// any value in 'begin' 0 to 255
mul=color_d1/text.length;
for(i=0;i<text.length;i++){
color_d1=mul*i;
color_d1b=255-mul*i;
color_d1c=255*Math.sin(i/(text.length/3));
// some other things you can try>> "=255-mul*i" to fade out, "=mul*i" to fade in, or try "255*Math.sin(i/(text.length/3))"
color_h1=ToHex(color_d1);
color_d2=mul*i;
color_h2=ToHex(color_d2);
//1b
color_h1b=ToHex(color_d1b);
color_d2b=mul*i;
color_h2b=ToHex(color_d2b);
//1c
color_h1c=ToHex(color_d1c);
color_d2c=mul*i;
color_h2c=ToHex(color_d2c);
document.write("<FONT COLOR='#FF"+color_h1+color_h2+"'>"+text.substring(i,i+1)+'</FONT>');
}
document.write('<p>');
for(i=0;i<text.length;i++){
color_d1=mul*i;
color_d1b=255-mul*i;
color_d1c=255*Math.sin(i/(text.length/3));
// some other things you can try>> "=255-mul*i" to fade out, "=mul*i" to fade in, or try "255*Math.sin(i/(text.length/3))"
color_h1=ToHex(color_d1);
color_d2=mul*i;
color_h2=ToHex(color_d2);
//1b
color_h1b=ToHex(color_d1b);
color_d2b=mul*i;
color_h2b=ToHex(color_d2b);
//1c
color_h1c=ToHex(color_d1c);
color_d2c=mul*i;
color_h2c=ToHex(color_d2c);
document.write("<FONT COLOR='#FF"+color_h1c+color_h2c+"'>"+text.substring(i,i+1)+'</FONT>');
}
document.write('<p>');
for(i=0;i<text.length;i++){
color_d1=mul*i;
color_d1b=255-mul*i;
color_d1c=255*Math.sin(i/(text.length/3));
// some other things you can try>> "=255-mul*i" to fade out, "=mul*i" to fade in, or try "255*Math.sin(i/(text.length/3))"
color_h1=ToHex(color_d1);
color_d2=mul*i;
color_h2=ToHex(color_d2);
//1b
color_h1b=ToHex(color_d1b);
color_d2b=mul*i;
color_h2b=ToHex(color_d2b);
//1c
color_h1c=ToHex(color_d1c);
color_d2c=mul*i;
color_h2c=ToHex(color_d2c);
document.write("<FONT COLOR='#FF"+color_h1b+color_h2b+"'>"+text.substring(i,i+1)+'</FONT>');
}
}
// --End Hiding Here -->
</script>
<script LANGUAGE="Javascript">
<!--
{
fadein("-->这是一个渐变文本的例子.<!__");
}
//-->
</script>
</center>
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