Fix: Resolve SyntaxError in main.js breaking all website buttons and …

[ssuyashhhh]

fixes #168

Screen.Recording.2026-05-16.020316.mp4

What

Fixed a critical SyntaxError: missing ) after argument list at line 443 in main.js that prevented the entire JavaScript file from executing. Also removed a stray </section> tag in index.html.

Why

The syntax error caused all interactive functionality on the website to be completely broken — category filter tabs, "Try It" buttons, Random Project button, modal open/close, theme toggle, and every game/project was non-functional because the browser halted JS parsing before any event listeners could be attached.

How

The root cause was a broken merge of two separate implementations in main.js:

• Code running at top-level scope referenced DOM elements (themeColorMeta, themeToggle, html) that were never declared, crashing before DOMContentLoaded
• The openProjectSafe function body (lines 428–443) was pasted without its function declaration header, leaving a stray } that caused the SyntaxError
• Duplicate variable declarations (lastFocusedElement, tabs, projectCards, modal) conflicted between the two implementations
• Duplicate event listeners were attached to the same elements both inside and outside DOMContentLoaded

Fix: Consolidated the entire file into a single, clean DOMContentLoaded handler with:

• Proper function declarations for openProjectSafe and closeProjectSafe
• All DOM queries safely inside DOMContentLoaded
• Null-safety guards on all element references
• No duplicate bindings or variable declarations

Additionally removed an orphaned </section> closing tag in index.html (line 62).

Testing

• ✅ node -c main.js — zero syntax errors
• ✅ Category filter tabs (All / Games / Math / Utilities) correctly show/hide cards
• ✅ "Try It" buttons open project modals with correct content
• ✅ Random Project button opens a random project modal
• ✅ Modal close (× button, clicking backdrop, Escape key) all work
• ✅ Theme toggle (dark/light mode) works
• ✅ Sound toggle works
• ✅ Back-to-top button works
• ✅ Focus trap and keyboard accessibility in modals preserved
• ✅ Intersection observer animations preserved
• ✅ No console errors on page load or during interaction
• ✅ UI/design completely unchanged

Files Changed

File	Change
web-app/js/main.js	Restructured into single coherent DOMContentLoaded handler, fixed all syntax errors
web-app/index.html	Removed orphaned </section> tag

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[ssuyashhhh]

@steam-bell-92 i had fixed this issue and checked it from end.

[github-actions]

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[github-actions]

Thanks @ssuyashhhh! I've added you to the contributors list.