Skip to content
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

Jump to bottom

doc: demonstrate dangers of buffer.slice() #41628

Merged
merged 1 commit into from
Jan 21, 2022
Merged

doc: demonstrate dangers of buffer.slice() #41628

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
doc: demonstrate dangers of buffer.slice()
  • Loading branch information
@shalvah
shalvah committed Jan 21, 2022
commit b5c9760f2d6e1086a34b9362f71b286972354c81
16 changes: 16 additions & 0 deletions doc/api/buffer.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -3427,6 +3427,14 @@ console.log(copiedBuf.toString());

console.log(buf.toString());
// Prints: buffer

// With buf.slice(), the original buffer is modified.
const notReallyCopiedBuf = buf.slice();
notReallyCopiedBuf[0]++;
console.log(notReallyCopiedBuf.toString());
// Prints: cuffer
console.log(buf.toString());
// Also prints: cuffer (!)
```

```cjs
Expand All @@ -3441,6 +3449,14 @@ console.log(copiedBuf.toString());

console.log(buf.toString());
// Prints: buffer

// With buf.slice(), the original buffer is modified.
const notReallyCopiedBuf = buf.slice();
notReallyCopiedBuf[0]++;
console.log(notReallyCopiedBuf.toString());
// Prints: cuffer
console.log(buf.toString());
// Also prints: cuffer (!)
```

### `buf.swap16()`
Expand Down