In JavaScript, there are times when you need a block of code to just sit back, relax, and not run right when the page loads. This is where JavaScript functions come in. A function is a block of code that runs when we tell it …
There are times in JavaScript when you’ll need to get the user’s input so you can perform some sort of calculation with it. One of the most used methods to get user input is the command document.getElementById(“someId”).value. To use this you would first need a …
In JavaScript, there is a thing called the ternary operator. It’s a fancy term for a shorthand way to write an if statement. To compare and contrast let’s take a look at the long way of creating an if statement: if(x==1){ alert(“There is ” + …
In JavaScript, there is a thing called an object. It’s something that can contain a value that is equal to something else. Those are called key/value pairs. There’s a key that is equal to some value. It’s a way that you can have a variable …
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 …
Chrome is a great browser but sometimes it has a lot of security features that end up conflicting with your code and what you’re trying to do. For example, they added a feature that won’t play a video on a website if the sound is …
Sometimes there will be times when you’ll need to take a body of XML information and apply CSS styles to it. Luckily, it’s not too hard to do. Let’s say you have an XML document that looks like this (the content about the movie is …