JavaScript has some slick ways of dealing with strings (words, sentences, etc.) There are a couple of methods in JavaScript called substr() and substring() that do similar but very different things. Both are able to extract certain parts of a word or sentence to be …
Video version of this post: In JavaScript, there’s a helpful way to access every item that’s in an Array and it’s called a for in loop. It has the functionality, by default to go through and only run however many times there are items in …
jQuery is a pretty amazing JavaScript library. It allows you to do things with JavaScript that were, back in the day, pretty tough to pull off. Today I want to show you how to do a simple toggle drop down effect using jQuery. The first thing …
Video of regular expressions with phone numbers: This tutorial is going to look at a JavaScript regular expression example using zip codes and break down all the pieces. The problem I’ve found with regular expressions is they aren’t something you can just look at and …
Why is using document.write a bad idea in JavaScript? Well, document.write is great for debugging or helping you know what a variable is equal to at a certain part in your code. It’s not a good idea to use on an actual web page especially …
When using JavaScript, sometimes you will run into errors because the external code being used is placed above the HTML it is calling/manipulating. For this example, we have a HTML file that looks like this: <!DOCTYPE html> <html> <head> <meta charset=”utf-8″> <title>Run JavaScript After HTML …
So what is the difference between console.log and console.dir in JavaScript? Well, let’s take a look! If we were to take this code: <!DOCTYPE html> <html> <head> <meta charset=”utf-8″> <title>console.log vs console.dir</title> </head> <body> <script> console.log(“Why, hello!”); console.dir(“Why, hello!”); </script> </body> </html> then put it …
innerHTML vs. textContent, what is the difference between these JavaScript properties and which one should you use? They do the same thing, right? No, they actually do not. The difference between the .innerHTML and .textContent properties is all about the HTML my friends! textContent renders …
Things on the web move so fast they make the idea of “time flies” seem slow. The World Wide Web has been available to the public since 1991, 25 years this fall. Most people today couldn’t imagine life without the web. Developers are faced with …