Created
September 17, 2015 04:59
-
-
Save urstory/04a5eb7ea5791f2071c6 to your computer and use it in GitHub Desktop.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
<!DOCTYPE html> | |
<html> | |
<head> | |
<script> | |
function LottoMachine(){ | |
this.balls = Array(45); | |
this.mix = function(){ | |
for(var i = 0; i < 45; i++){ | |
this.balls[i] = i+1; | |
} | |
for(var i = 0; i < 10000; i++){ | |
var index1 = | |
parseInt(Math.random() * 45); | |
var index2 = | |
parseInt(Math.random() * 45); | |
if(index1 != index2){ | |
var tmp = this.balls[index1]; | |
this.balls[index1] = | |
this.balls[index2]; | |
this.balls[index2] = tmp; | |
} | |
} | |
} | |
this.get = function(){ | |
var result = Array(6); | |
for(var i = 0; i < 6; i++){ | |
result[i] = this.balls[i]; | |
} | |
return result; | |
} | |
// 속성으로 45개 크기의 배열 | |
// 배열은 1 ~ 45 까지의 값을 가지고 있다. | |
// mix()메소드는 자식의 속성 배열을 섞는다. | |
// get()메소드는 45개의 배열의 값중 0~5(index) | |
// 에 해당하는 값을 배열에 담아return | |
} | |
var machine = | |
new LottoMachine(); | |
machine.mix(); | |
var balls = machine.get(); | |
for(var i in balls){ | |
alert(balls[i]); | |
} | |
</script> | |
</head> | |
<body> | |
</body> | |
</html> |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment