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1ffd30fdff
1 changed files with 2 additions and 2 deletions
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@ -281,7 +281,7 @@ let a = ++counter; // (*)
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alert(a); // *!*2*/!*
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```
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Here in the line `(*)` the prefix call `++counter` increments `i` and returns the new value that is `2`. So the `alert` shows `2`.
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Here in the line `(*)` the prefix call `++counter` increments `counter` and returns the new value that is `2`. So the `alert` shows `2`.
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Now let's use the postfix form:
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@ -292,7 +292,7 @@ let a = counter++; // (*) changed ++counter to counter++
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alert(a); // *!*1*/!*
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```
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In the line `(*)` the *postfix* form `counter++` also increments `i`, but returns the *old* value (prior to increment). So the `alert` shows `1`.
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In the line `(*)` the *postfix* form `counter++` also increments `counter`, but returns the *old* value (prior to increment). So the `alert` shows `1`.
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To summarize:
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