JavaScript

Tips and tricks I learned throughout the years.

JavaScript is different. Experienced users that come from other languages have a hard time learning it, because it looks similar but operates differently. Here I will share all the insights I learned in the past few years. You will find it quite useful whether you programmed for years, or are just getting started.

JavaScript tips — Page 2

Creating a class in JavaScript

It comes to a surprise that JavaScript, the most popular language on the web, has the most unconventional method for creating a class. In most object oriented programming languages, classes follow a c…

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When to use Object.hasOwnProperty

In JavaScript, everything is an object. This is amazing because you never have to ask yourself if something is an object. The answer is always Yes. Let's look at a few examples: // a number is an obj…

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Loading jQuery asynchronously

The recommended way to load jQuery is with a script tag. You place it on the bottom of your page and make sure every script that depends on it are loaded after. However, what happens when you want to …

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How to get an element position on the page

This used to be a painful thing to find on the page. Well it wasn't but almost everyone suggested you use a hacky way to find the correct position of an element. The method was so popular that it wasn…

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Ajax without jQuery

It took me a long time to implement jQuery into my everyday workflow but now I am so used to it that I rely on it entirely for some tasks. The more I use, the more I forget how to manually make stuff.…

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Please don't detect the browser

Feature detection is a term everyone in the web development world has heard of. Yet, we still find code that tries to detect which browser the user is running to perform a task. This needs to stop! Te…

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Dealing with Live HTML Collections

To select elements from the DOM, we use browsers APIs like getElementsBy*. To make our lives easier, the result of these methods are Live. What this means is that when the DOM updates, I don't need to…

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Converting colors or numbers from Hex to Dec

Recently, I needed to create a function that fades from one color to the other. CSS3 makes the job very easy by making use of the transition property. However I needed to use this functionality inside…

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