音楽01 - 経済統計練習帳

var ma;
var x;
 
function sample(){
 
var timer;
var delay = 1000;
 
x=100;    
 
ma = new Audio("short.mp3");    
 
var loop = function(){
 
x=500*Math.random();
 
if(x>400)ma.play();  
 
paint();
 
clearTimeout(timer);
timer = setTimeout(loop,delay);
}
 
loop();
 
}
 
function paint(){
 
var sub=new svgpaint();
 
str="<svg width=\"500\" height=\"500\">";
str=str+sub.rect(0,0,x,x,"red");
str=str+"</svg>";
 
$("#memo").html(str);
 
}