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KooFE Frontend Team
KooFE Frontend Team
Jan 28, 2022 · Frontend Development

How the :is Pseudo‑Class Simplifies CSS and Cuts Redundant Code

This article explains how the modern CSS :is pseudo‑class can replace repetitive selector lists, reduce duplicated code, improve maintainability, and handle selector priority and forgiving parsing, with examples in plain CSS and Sass, plus browser support details.

CSSSassWeb Development
0 likes · 6 min read
How the :is Pseudo‑Class Simplifies CSS and Cuts Redundant Code
JavaScript
JavaScript
Jul 21, 2021 · Frontend Development

Simplify CSS Selectors with :is() and :where() for Cleaner Code

This article explains how the CSS :is() pseudo‑class can replace long selector lists, compares it with :where(), shows compatibility across browsers, and provides multiple code examples demonstrating concise, readable selector patterns for styling elements like headings and buttons.

CSSFrontend Developmentis
0 likes · 3 min read
Simplify CSS Selectors with :is() and :where() for Cleaner Code
System Architect Go
System Architect Go
Oct 18, 2019 · Backend Development

Error Handling in Go Before and After Go 1.13

This article explains Go's built‑in error interface, the traditional ways of creating and checking errors before Go 1.13, and the new errors.Unwrap, errors.Is, errors.As functions plus the %w verb in fmt.Errorf introduced in Go 1.13 for error wrapping and inspection.

Goaserror handling
0 likes · 5 min read
Error Handling in Go Before and After Go 1.13