回答編集履歴
2
//GOOD!
test
CHANGED
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@@ -36,7 +36,7 @@
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36
36
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37
37
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sayHi1() {
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38
38
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39
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-
console.log('sayHi1', this)
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39
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+
console.log('sayHi1', this) //thisがnullになってしまう
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40
40
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41
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}
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@@ -44,7 +44,7 @@
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44
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sayHi2() {
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-
console.log('sayHi2', this)
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47
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+
console.log('sayHi2', this) //GOOD!
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}
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50
50
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@@ -52,7 +52,7 @@
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52
52
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53
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sayHi3 = () => {
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-
console.log('sayHi3', this);
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55
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+
console.log('sayHi3', this); //GOOD!
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56
56
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57
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}
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58
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1
thisの束縛漏れです。
test
CHANGED
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@@ -1,3 +1,7 @@
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1
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+
thisの束縛漏れです。
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2
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+
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3
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+
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4
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+
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1
5
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# Demo
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2
6
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3
7
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