Skip to content

Wrong variables name #183

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
iliakan merged 1 commit into from
Sep 17, 2017
Merged

Wrong variables name #183

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
4 changes: 2 additions & 2 deletions 1-js/02-first-steps/07-operators/article.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -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:

Expand All @@ -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:

Expand Down