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kotaroito/jsbin.fiyer.html

Created August 1, 2014 00:20
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Raw
jsbin.fiyer.html
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>JS Bin</title>
</head>
<body>
</body>
</html>
Raw
jsbin.fiyer.js
var Counter = (function() {
var instance;
function init() {
var count = 0;
return {
incr: function() { count++; },
decr: function() { count--; },
log: function() { console.log(count); },
};
}
return {
getInstance: function() {
if (!instance)
instance = init();
return instance;
}
};
})();
var counter = Counter.getInstance();
counter.incr();
counter.incr();
counter.log();
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