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09_JavaScript/.jshintrc
0 → 100644
09_JavaScript/01_hello.js
0 → 100644
09_JavaScript/02_promise.js
0 → 100644
1 | +"use strict"; | ||
2 | + | ||
3 | +function asyncTask1(cb) { | ||
4 | + console.log("task1 start"); | ||
5 | + setTimeout(function() { | ||
6 | + cb("task1"); | ||
7 | + }, 2000); | ||
8 | +} | ||
9 | + | ||
10 | +function asyncTask2(cb) { | ||
11 | + console.log("task2 start"); | ||
12 | + setTimeout(function() { | ||
13 | + cb("task2"); | ||
14 | + }, 1000); | ||
15 | +} | ||
16 | + | ||
17 | +asyncTask2(function(ret) { | ||
18 | + console.log(ret + " done"); | ||
19 | + asyncTask1(function(ret2) { | ||
20 | + console.log(ret2 + "done"); | ||
21 | + // 추가적인 callback이 더 생긴다면??? | ||
22 | + }); | ||
23 | +}); | ||
24 | + | ||
25 | +function promiseTask1() { | ||
26 | + console.log("task1 start"); | ||
27 | + return new Promise(function(resolve, reject) { | ||
28 | + setTimeout(function() { | ||
29 | + resolve('task1'); | ||
30 | + }, 2000); | ||
31 | + }); | ||
32 | +} | ||
33 | + | ||
34 | +function promiseTask2() { | ||
35 | + console.log("task2 start"); | ||
36 | + return new Promise(function(resolve, reject) { | ||
37 | + setTimeout(function() { | ||
38 | + resolve('task2'); | ||
39 | + }, 1000); | ||
40 | + }); | ||
41 | +} | ||
42 | + | ||
43 | +promiseTask2() | ||
44 | +.then(function(ret) { | ||
45 | + console.log(ret + " done"); | ||
46 | +}).then(function() { | ||
47 | + return promiseTask1(); | ||
48 | +}) | ||
49 | +.then(function(ret) { | ||
50 | + console.log(ret + " done"); | ||
51 | +}); |
09_JavaScript/03_sort.js
0 → 100644
1 | +"use strict"; | ||
2 | + | ||
3 | +function swap(arr, i, j) { | ||
4 | + var t = arr[i]; | ||
5 | + arr[i] = arr[j]; | ||
6 | + arr[j] = t; | ||
7 | +} | ||
8 | + | ||
9 | +function bubbleSort(arr) { | ||
10 | + var i, j; | ||
11 | + for (i = 0; i < arr.length; i++) { | ||
12 | + for (j = 0; j < arr.length - i; j++) { | ||
13 | + if (arr[j] > arr[j+1]) { | ||
14 | + swap(arr, j, j+1); | ||
15 | + } | ||
16 | + } | ||
17 | + } | ||
18 | + return arr; | ||
19 | +} | ||
20 | + | ||
21 | +var arr1 = [6, 3, 2, 7, 8, 3, 1, 0, 9, 5]; | ||
22 | +var arr2 = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]; | ||
23 | +var arr3 = [9, 8, 7, 6, 5, 4, 3, 2, 1, 0]; | ||
24 | + | ||
25 | +console.log(bubbleSort(arr1)); | ||
26 | +console.log(bubbleSort(arr2)); | ||
27 | +console.log(bubbleSort(arr3)); | ||
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