Created
September 29, 2015 06:29
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Fun with JavaScript scoping
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| $ cat foo.js | |
| function foo() { | |
| function bar(bllll1) { | |
| return function() { return blllll; } | |
| } | |
| var list = []; | |
| for (var i=0; i<10; i++) { | |
| var blllll = "Fuck yeah! (" + i + ")"; | |
| list.push(bar(blllll)); | |
| } | |
| list.forEach(function(f) { console.log(f()); }); | |
| } | |
| foo(); | |
| $ node foo.js | |
| Fuck yeah! (9) | |
| Fuck yeah! (9) | |
| Fuck yeah! (9) | |
| Fuck yeah! (9) | |
| Fuck yeah! (9) | |
| Fuck yeah! (9) | |
| Fuck yeah! (9) | |
| Fuck yeah! (9) | |
| Fuck yeah! (9) | |
| Fuck yeah! (9) | |
| $ |
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