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Wrong variables name

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This commit is contained in:
Vadim Arkadov 2017-09-16 20:22:26 +03:00 • committed by GitHub
parent 2d4e4693f8
commit 52ed864f22
1 changed files with 2 additions and 2 deletions
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1-js/02-first-steps/07-operators/article.md
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@ -281,7 +281,7 @@ let a = ++counter; // (*)
alert(a); // *!*2*/!*
```
Here in the line `(*)` the prefix call `++counter` increments `i` and returns the new value that is `2`. So the `alert` shows `2`.
Here in the line `(*)` the prefix call `++counter` increments `counter` and returns the new value that is `2`. So the `alert` shows `2`.
Now let's use the postfix form:
@ -292,7 +292,7 @@ let a = counter++; // (*) changed ++counter to counter++
alert(a); // *!*1*/!*
```
In the line `(*)` the *postfix* form `counter++` also increments `i`, but returns the *old* value (prior to increment). So the `alert` shows `1`.
In the line `(*)` the *postfix* form `counter++` also increments `counter`, but returns the *old* value (prior to increment). So the `alert` shows `1`.
To summarize: