散列线条

<canvas id="cc" width="798" height="1131"></canvas>

$(document).ready(function(){
//	lili();
var i=0;
ui(i);
	 
});
var colors = ['#e37f7f','#e37fd6','#b57fe3','#7f90e3','#7fcfe3','#7fe3d4','#7fe399','#b5e37f','#e3e27f','#e3ba7f','#e3a77f','#e37f7f','#e37fd6','#b57fe3','#7f90e3','#7fcfe3','#7fe3d4','#7fe399','#b5e37f','#e3e27f','#e3ba7f','#e3a77f'];//全局变量


//散列1线条
function ui(i){
	if(i<18){
		i=i+1;
	}else if(i=19){
		i=0
	}
	var mc=document.getElementById('cc');
	var context=mc.getContext('2d');
	var a=Math.floor(Math.random()*100),b=Math.floor(Math.random()*110),c=Math.floor(Math.random()*120),d=Math.floor(Math.random()*130);
	context.beginPath();
	context.moveTo(a,b);
	context.lineTo(c,d);
	context.strokeStyle=colors[i];
	context.closePath();
	context.stroke();
	setTimeout('ui('+i+')',1000);
}