Javascript Fundamentals
Generates basic JavaScript code snippets and explains core concepts like variables, functions, and DOM manipulation.
Install on your platform
We auto-selected Claude Code based on this skill’s supported platforms.
Run in terminal (recommended)
claude mcp add javascript-fundamentals npx -- -y @trustedskills/javascript-fundamentals
Or manually add to ~/.claude/settings.json
{
"mcpServers": {
"javascript-fundamentals": {
"command": "npx",
"args": [
"-y",
"@trustedskills/javascript-fundamentals"
]
}
}
}Requires Claude Code (claude CLI). Run claude --version to verify your install.
About This Skill
What it does
This skill provides foundational JavaScript knowledge to AI agents, enabling them to understand core syntax, data types, and execution logic. It serves as a base layer for more complex backend operations involving server-side scripting or API interactions.
When to use it
- Debugging basic script errors in Node.js environments.
- Explaining variable scoping rules and closures to junior developers.
- Generating simple utility functions for data manipulation.
- Clarifying the difference between
let,const, andvar.
Key capabilities
- Core syntax and control flow structures (loops, conditionals).
- Understanding of primitive and reference data types.
- Basic function declaration and execution models.
- Fundamental DOM manipulation concepts for backend context.
Example prompts
- "Explain how event loops work in JavaScript."
- "Write a simple Node.js script to parse JSON data."
- "What is the difference between
==and===in JavaScript?"
Tips & gotchas
Ensure the AI agent has access to a runtime environment like Node.js to execute code snippets generated by this skill. Avoid relying on browser-specific APIs unless explicitly configured for frontend contexts.
Tags
TrustedSkills Verification
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Security Audits
| Gen Agent Trust Hub | Pass |
| Socket | Pass |
| Snyk | Pass |
🌐 Community
Passed automated security scans.