回答編集履歴
2
コードのconst/let付け忘れ
test
CHANGED
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@@ -30,13 +30,13 @@
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30
30
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31
31
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function () {
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32
32
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33
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-
args = [...arguments].join(", ")
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33
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+
const args = [...arguments].join(", ")
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34
34
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35
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log(`${nest}invoking ${func_name}(${args})`)
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36
36
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nest += ' '
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38
38
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39
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-
result = f.apply(this, arguments)
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39
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+
let result = f.apply(this, arguments)
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40
40
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41
41
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nest = nest.slice(1)
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42
42
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1
実行結果を追記
test
CHANGED
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@@ -94,7 +94,39 @@
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94
94
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95
95
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```
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96
96
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97
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+
結果：
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97
98
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99
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```
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100
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+
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101
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--- original function ---
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102
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103
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fact(3) = 6
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104
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105
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--- trace function ---
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106
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107
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invoking fact(3)
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108
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109
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invoking fact(2)
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110
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111
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invoking fact(1)
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112
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113
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invoking fact(0)
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114
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115
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result is 1
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116
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117
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result is 1
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118
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119
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result is 2
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120
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121
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result is 6
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122
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123
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fact(3) = 6
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124
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125
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--- untrace function ---
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126
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127
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fact(3) = 6
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128
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129
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```
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98
130
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99
131
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少し本質的でないところに手を入れてしまってます。分かりづらかったらスミマセン。
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100
132
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