JavaScript & Frontend · page 3

Displays key, code, modifier, and repeat properties from keyboard events.

Explains pointer coordinates, buttons, and pointer types.

Generates a user-triggered fullscreen example.

Creates a template that responds to page visibility changes.

Demonstrates browser online and offline event handling.

Displays network information where the browser supports it.

Creates a notification example requiring explicit user permission.

Generates a browser text-to-speech example where supported.

Locate unusually large files in selected directories.

List loaded and enabled Apache modules.

Review connection reuse settings and observed connection behavior.

Check cache-control and validator headers for selected resources.

Aggregate recorded account activity by user identifier and time range.

Summarize backup job successes, failures, and last completion times.

Group repeated alerts describing the same underlying condition.

Find exported symbols with no detected references in a defined project.

Identify variables that appear unused in supplied source code.

Detect repeated code blocks across JavaScript files.

List declared functions, methods, and their locations.

List class declarations and their methods.

Highlight deeply nested callback structures for refactoring.

Report functions with excessive branching or nested conditions.

Report inconsistent use of single, double, and template quotes.

Identify files or functions that may benefit from strict mode.