MDN wants to learn about developers like you: https://qsurvey.mozilla.com/s3/MDN-dev-survey-2018-1

treelines

treelines
Type: boolean
When set to true, lines are drawn connecting the lines in the tree; when false, the lines are not drawn. This is false by default.

Document Tags and Contributors

 Contributors to this page: Sheppy
 Last updated by: Sheppy,