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Nov 27, 2024 · 4 min read · Key insights: Global Scope: In the global context, this refers to the global object (e.g., window). Function Context: Inside regular functions, this behaves differently in strict and non-strict modes, returning undefined or the global object. Meth...
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Nov 23, 2024 · 3 min read · Key insights: Async Functions: The async keyword creates functions that always return a promise. Await: The await keyword pauses function execution until the promise is resolved. Error Handling: Use try/catch for error management in async function...
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Aug 24, 2024 · 5 min read · TL;DR CSS specificity determines which styles are applied when there are conflicting rules. It’s calculated based on the types of selectors used: inline styles (most specific), ID selectors, class/attribute selectors, and element selectors (least spe...
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Aug 24, 2024 · 4 min read · TLDR Core Web Vitals are essential metrics for website performance and SEO. They include Cumulative Layout Shift (CLS), Largest Contentful Paint (LCP), and First Input Delay (FID). Tools like Google Chrome's Lighthouse can help improve these metrics....
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Sep 14, 2023 · 3 min read · In this blog post, we explore the async and defer attributes in JavaScript, used with script tags to efficiently load external scripts onto a web page. We discuss three scenarios: using a script tag normally, with the async attribute, and with the de...
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