Master programming syntax, solve interactive challenges & run live code in Syntaxis Explore Arena →

menu_book Course Curriculum (Developer Tools & Code Editors) expand_more

Editor Foundations

workspace folders file explorer quick open command palette multi-cursor editing column selection find and replace regular-expression search code folding breadcrumbs

Code Intelligence

syntax highlighting language server protocol go to definition find references rename symbol code completion signature help hover documentation code actions format on save

Debugging

breakpoints conditional breakpoints logpoints step over step into step out watch expressions call stack debug console exception breakpoints

Terminal & Tasks

integrated terminal shell profiles task definitions build tasks problem matchers run configurations environment variables working directories compound tasks background tasks

Git Integration

source control view stage changes unstage changes commit changes branch switching merge conflicts diff viewer file history blame annotations stash workflow

Project Configuration

editorconfig workspace settings language-specific settings exclude patterns file associations formatters linters extensions recommended extensions settings sync

Browser DevTools

Elements inspector computed styles console network panel request blocking application storage performance profiler memory profiler accessibility inspector device emulation

Quality Workflow

static analysis unit test integration coverage display test explorer code review diff pre-commit hooks CI problem annotations profiling workflow reproducible bug report production debugging checklist

Developer Tools & Code Editors / Editor Foundations

multi-cursor editing

Learn multi-cursor editing in Developer Tools & Code Editors with a dedicated explanation, a topic-specific example, edge guidance, and a mastery check.

12 min read • Beginner

developer-tools-005.txt

text

const pendingOrder = true;
const pendingInvoice = false;
const pendingRefund = true;
# Select each “pending” prefix and edit them together.

What to watch

Content source & attribution

Original Syntaxis Content · Original Syntaxis Content

Lesson quizzes

multi-cursor editing Mastery Check →

command palette

column selection