How to Check an Element Exists with and Without jQuery
Check whether an element exists with jQuery or vanilla JavaScript before running DOM code, avoiding null errors and fragile client‑side behaviour.
Articles, page 22 of 22
Practical notes and articles on React, Next.js and web platform work.
How to Check an Element Exists with and Without jQuery. A Simple Popup Window Using jQuery. A Simple Popup Window Using jQuery
Opening a new browser window programmatically on‑click is very simple to achieve with jQuery, and no more complex to achieve with vanilla JavaScript too!
Setting CSS Blur Filter to Zero on a Retina Screen. Setting CSS Blur Filter to Zero on a Retina Screen
A bug in the WebKit engine that only affects website Retina screen devices means that setting a zero‑blur filter in CSS isn't as easy as it should be.
