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| // closure.js | |
| // var | |
| var funcs = []; | |
| for(var i = 0; i < 10; i += 1) { | |
| funcs.push( function(){return i;} ); | |
| } | |
| console.log('i : ' + i); // 10 | |
| funcs.forEach(function(func){ | |
| func(); // 10 * ten times | |
| }); | |
| // let | |
| let funcs2 = []; | |
| for(let j = 0; j < 10; j += 1) { | |
| funcs2.push( function(){return j;} ); | |
| } | |
| funcs2.forEach(function(func2){ | |
| func2(); // 0, 1, 2, 3, 4, ..., 9 | |
| }); |
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