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Articles tagged with #javascript
Basic Rounding Functions Math.floor(x) -> Always rounds DOWN to nearest integer Math.floor(4.9); // 4 Math.floor(4.1); // 4 Math.floor(-4.1); // -5 (down means more negative) Math.floor(-4.9); // -5 Math.ceil(x) -> Always rounds UP to nearest intege...
Introduction to SSE Server-Sent Events (SSE) let servers send real-time updates to clients over one HTTP connection. Unlike WebSockets, SSE only goes from server to client and uses standard HTTP, making it easier to set up and more compatible with cu...
Understanding Web Observers The browser offers several observer APIs that let you monitor and react to specific changes in the DOM. Two of the most useful are Intersection Observer and Mutation Observer. They solve different problems and are used in ...
What the error means This error occurs when React detects too many state updates happening one after another. React has a limit (around 50) of how many render updates can happen in a row. When this limit is exceeded, React stops with this error to pr...
What is binary elimination? Binary elimination is a debugging technique where you systematically comment out portions of code to identify which section contains a bug. It's like a binary search, but for code problems. Why it works so well When faced ...
What happens when you paste When a user pastes content with Ctrl+V or Command+V, React fires a ClipboardEvent. This event contains a clipboardData property that gives you access to everything that was copied. The clipboardData object has these main p...
