代码如下:
JS百分比图和柱状图
Sample Piechart
Random numbers drawn as a simple pie
One: 30
Two: 18
Three: 13
Four: 9
Five: 5
function displayTitle( title )
{
document.write("
" + title + "");
}
function generateRandomNumber(num) {
return Math.round( Math.random() * (num - 1) ) + 1;
}
function plottablehead( val )
{
document.writeln("
");
document.write(" " + val + "");
}
function plottabletail()
{
document.write("
");
}
function plotcolor(d, clr)
{
for(i=1;i<=d;i++){
document.write("
| ");
}
}
function setColor(foreground,background)
{
document.fgColor=foreground;
document.bgColor=background;
}
setColor("orange","black");
a=generateRandomNumber(50);
plottablehead( a );
plotcolor(a, "red");
plottabletail();
a=generateRandomNumber(50);
plottablehead( a );
plotcolor(a, "blue");
plottabletail();
a=generateRandomNumber(50);
plottablehead( a );
plotcolor(a, "green");
plottabletail();
a=generateRandomNumber(50);
plottablehead( a );
plotcolor(a, "yellow");
plottabletail();
a=generateRandomNumber(50);
plottablehead( a );
plotcolor(a, "gray");
plottabletail();
a=generateRandomNumber(50);
plottablehead( a );
plotcolor(a, "midnightblue");
plottabletail();
//-->
