回答編集履歴
2
while文版
test
CHANGED
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@@ -44,27 +44,77 @@
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44
44
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45
45
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```JavaScript
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46
46
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47
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-
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47
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+
function sample1 (array) {
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48
48
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49
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-
var result = array[0]; // 初期値を与える
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49
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var result = array[0]; // 初期値を与える
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50
50
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51
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52
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53
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for (let value of array) {
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53
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for (let value of array) {
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54
54
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55
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if (value === 'fuga') {
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55
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if (value === 'fuga') {
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57
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-
result = 'fuga';
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57
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result = 'fuga';
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59
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break;
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59
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break;
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60
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61
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}
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62
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}
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64
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65
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66
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return result;
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62
68
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}
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64
70
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71
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66
72
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73
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var array1 = ['hoge', 'fuga', 'piyo'],
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74
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75
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array2 = ['hoge', 'fuga2', 'piyo'];
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76
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77
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78
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67
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-
console.log(
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79
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console.log(sample1(array1)); // "fuga"
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80
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81
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console.log(sample1(array2)); // "hoge"
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82
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83
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```
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84
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85
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86
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87
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+
`while` 文版。
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88
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89
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90
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91
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```JavaScript
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92
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93
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function sample2 (array) {
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94
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95
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var i = array.length;
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96
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97
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98
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99
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while (--i > 0 && array[i] !== 'fuga');
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100
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101
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102
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103
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return array[i];
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104
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105
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}
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106
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107
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108
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109
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var array1 = ['hoge', 'fuga', 'piyo'],
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110
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111
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array2 = ['hoge', 'fuga2', 'piyo'];
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112
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113
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114
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115
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console.log(sample2(array1)); // "fuga"
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116
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console.log(sample2(array2)); // "hoge"
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68
118
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69
119
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```
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70
120
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1
初期値を修正
test
CHANGED
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@@ -46,7 +46,7 @@
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46
46
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47
47
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var array = ['hoge', 'fuga', 'piyo'];
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48
48
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49
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-
var result =
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49
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+
var result = array[0]; // 初期値を与える
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50
50
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51
51
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52
52
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