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scrollTo and scrollBy: Two JavaScript APIs That Are Actually Somewhat Useful

By zhangxinxu · Originally published July 27, 2019 Adapted with technical corrections and examples from the supplied demo. JavaScript offers plenty of ways to work with scrollin...
I Wrote a Polyfill for Resizing Textareas in IE and Legacy Edge

Giving an everyday form control a little more room to breathe. Adapted from zhangxinxu’s original article, with technical corrections and companion demo examples. A textarea can...
Create and Download ZIP Files Entirely with Client-Side JavaScript

Package SVG icons with JSZip, offer a browser download, and keep users informed along the way. Adapted from zhangxinxu’s original article. A tool that extracts individual icons...
The Best Way to Implement Tooltips in the Modern Era

How native HTML interactions, CSS anchor positioning, and shaped borders can simplify a familiar UI component. Adapted from an article by zhangxinxu , originally published on Se...
Native JavaScript Form Validation: A Practical Guide to `checkValidity()` and Beyond

Understand the browser’s validation tools—and connect them to an interactive, event-driven interface. Adapted from zhangxinxu’s original article, with updated technical explanat...

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