Your CrossFit App Doesn’t Know What You Did
Critique of CrossFit apps like SugarWOD for failing to track scaled workout data accurately, and how PRzilla solves this.
Juriy Zaytsev is a JavaScript expert known for deep technical articles on browser internals, performance, and cross-browser behavior. His writing explores DOM, JavaScript language quirks, feature detection, and robust frontend engineering practices.
7 articles from this blog
Critique of CrossFit apps like SugarWOD for failing to track scaled workout data accurately, and how PRzilla solves this.
A reflection on the myth of overnight success in tech and fitness, using examples of a period tracking app and CrossFit progress.
Analyzing how to estimate athlete performance and scores for the new XENOM CrossFit competition using AI and training data.
A challenging JavaScript quiz focusing on ES6 features like classes, generators, and template strings to test developers' understanding.
Explains the innerText property's behavior and algorithm for extracting text from HTML nodes, focusing on CSS and whitespace handling.
Explains the ECMAScript specification for evaluating function calls, focusing on reference resolution and the 'this' value.
A developer details the step-by-step refactoring of a complex single-page JavaScript canvas application, exploring MVC patterns to reduce complexity.