JavaScript Explained: The Language That Makes Websites Interactive

·1 views

JavaScript is a programming language that adds behavior and logic to web applications, working alongside HTML for structure and CSS for styling. While HTML defines what exists on a page and CSS controls its appearance, JavaScript handles what the page actually does — such as responding to button clicks, validating forms, and fetching server data. Modern browsers like Chrome, Firefox, and Safari each use dedicated JavaScript engines, such as V8 and SpiderMonkey, to execute the code. Beyond browsers, JavaScript can also run server-side through Node.js, a runtime built on Google's V8 engine. Together, these environments make JavaScript one of the most versatile programming languages in use today.

Read the full story at DEV Community

This is an AI-generated summary. ShortSingh links to the original source for the complete article.

Discussion (0)

Why a Tokenized Asset Is Only as Strong as Its Legal Backing

A token representing a real-world asset is merely a claim, and its value depends entirely on the legal and operational obligations behind it. Key considerations include who guarantees the token-to-asset peg, whether a custodian or special purpose vehicle is involved, and how redemption works if a default or transfer freeze occurs. Proof-of-reserve must be verifiable and regularly signed, not just communicated via press releases. For regulated assets, transfer restrictions and identity checks should be encoded directly into the token rather than managed externally. The smart contract is only the visible layer; the real engineering effort lies in integrating on-chain events with off-chain records in a way that satisfies auditors.

0 comments Read more at DEV Community

ProgrammingDEV Community ·

Human-Robot Collaboration Is Reshaping Manufacturing, Not Replacing Workers

Manufacturing facilities are increasingly adopting human-robot collaboration models where autonomous mobile robots (AMRs) handle material transport while human workers focus on tasks requiring judgment and dexterity. Approaches such as stop-and-pick stations and pick-to-light systems are proving more effective than full automation, especially in facilities with high product variety. Engineers designing these systems must account for safe interaction points, dynamic obstacle handling, and fleet-level coordination to prevent new bottlenecks as deployments grow. The shift also changes how automation ROI is measured — moving away from headcount reduction toward gains like reduced operator fatigue, fewer errors, and better use of human decision-making. This collaborative model, rather than fully autonomous 'lights-out' factories, is seen as the practical direction for modern manufacturing.

0 comments Read more at DEV Community

ProgrammingDEV Community ·

Developer Launches Live AI Agent Marketplace With Metered Calls and Public Receipts

A developer has publicly launched AIMarket Hub (modelmarket.dev), a catalog where AI agents can discover tools, invoke them via a single POST request, and receive verifiable, signed receipts — all without human intermediaries. As of September 15, 2026, the platform recorded 710 invocations with a 99.2% success rate across 177 capabilities and 14 federated hubs, with a p50 latency of 90 milliseconds. Revenue stands at $0.0010 per hour, a figure the creator openly acknowledges as evidence the platform is early-stage rather than a polished commercial product. The marketplace supports three access methods: a web terminal, a remote MCP endpoint, and a Python CLI, with free trial invocations available without requiring a crypto wallet. Failed calls are displayed alongside successes in the live feed, a deliberate design choice the developer describes as transparency rather than a flaw.

0 comments Read more at DEV Community

ProgrammingDEV Community ·

How AI Uses Embeddings to Understand Meaning, Not Just Words

Embeddings are numerical representations of text, images, or audio that allow AI systems to capture and compare meaning mathematically. Unlike traditional keyword-based search, embedding models place semantically similar concepts close together in a multi-dimensional vector space, even when the exact words differ. For example, phrases like 'buy a flight' and 'book an airplane ticket' would be represented as nearby vectors despite sharing little vocabulary. Similarity between embeddings is measured using techniques such as cosine similarity, Euclidean distance, and nearest-neighbor search. This technology underpins modern applications like semantic search and Retrieval-Augmented Generation, where relevant content is retrieved based on meaning rather than literal text matches.

0 comments Read more at DEV Community