npm for Beginners: A Guide for Front-end Developers
Unless you’re an absolute beginner to front-end coding, then you’ve probably heard of npm. And npm for beginners is a subject you’re looking into. Maybe you’ve clicked through to the GitHub repo of a tool of some kind. You then noticed the installation instructions had a couple of different possibilities, including something like this: npm install some-tool In addition to that, there’s usually som
Differences Between CSS2.1 and CSS3+
By Louis Lazaris / December 10, 2012 / 8 Comments Updated: August 7, 2022 Most of us know that with the introduction of what we customarily call “CSS3”1, there have been changes and additions to CSS, compared to what we had in CSS2.1. Putting all cross-browser issues aside, I thought it would be nice to be able to document all these changes into a single post and keep it up to date. So if you want
JavaScript Array Methods Reference
Back in July I wrote a post called JavaScript String Methods Reference, outlining many of the ways strings can be manipulated in JavaScript. Another area where JavaScript has a number of different methods available for use is Array manipulation, which I’ll cover in this JavaScript array methods reference. As usual, I’ll do my best to keep it simple and accurate, but if I’ve erred or if you think I
Understanding CSS's vertical-align Property
“Vertical-align isn’t working!” cried the web developer. The vertical-align property is one of those features of CSS that sounds pretty self-explanatory, but can cause problems for CSS beginners. I think even many CSS veterans have had problems figuring this one out at times. In this post, I’ll try to cover it in an understandable manner. What it Does Not Do The common misconception about vertical
Multiple Borders with CSS
While fiddling around with the CSS3 box-shadow property, I stumbled across a method to put a double border on a single element. I thought to myself, that’s pretty cool, but obviously, it will only work in newer browsers that support box-shadow. So I wondered how many different ways there are to create an element that has the appearance of a double border. Naturally, the most common way is by using
What's the Best Source for Browser Usage Stats?
The other day I sent out a tweet asking what everyone thought was the best source for browser usage stats. I wanted to know if there were any sources I’d not yet heard of that offer reliable global statistics for usage stats for various browsers. Well, I didn’t get too many responses to the tweet, but I decided to put together my own list of sources for reliable browser usage stats. Analytics for
Avoiding Problems With JavaScript's getElementById Method in Internet Explorer 7
Every week this website gets about 700 unique visits from Google searches, mostly from people searching for solutions to problems with JavaScript and CSS. I’m flattered, and I hope I can continue to publish useful articles that will assist people and help with the exchange of ideas and techniques. One search phrase that leads surfers to my site pretty much every day is something along the lines of
7 JavaScript Differences Between Firefox & IE
Please note that this is an older article that discusses JavaScript issues in Internet Explorer versions 6 & 7, along with Firefox versions 2+ & 3.0. Although the days of long and tedious code branches to target specific browsers in JavaScript are over, once in a while it’s still necessary to do some simple code branching and object detection to ensure that a certain piece of code is working prope
CSS Click Chart | CSS3 Browser Support and Information
Can I Use ? Data on support for the default feature across the major browsers from caniuse.com.
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DOM Features You Didn't Know Existed (Video & Slides)