Articles

How to create sites with winding SVG paths

I saw an article by Sarah Drasner about how she created Netlify’s million-developers site on CSS Tricks. I was intrigued by how the site was created. (Not the Vue parts, but she coded up the paths on the site).

What paths?

Here’s the Mobile and Desktop view, side by side. I’m talking about the winding paths that lead from one set of content to another set of content.

Million Devs site: mobile and desktop versions compared.

I always wanted to create a site with curved elements, similar to this. So I took the chance to inspect the code. What I realised blew my mind 🤯.

TCC: The course that gave me the strength to pursue my dreams

I was living a comfortable life back in 2014. I was living my dreams. I freelanced and I earned an equal amount to my friends who held full-time jobs. I was free.

Or so I thought.

The first three years of freelancing were exciting. I simply loved hopping around different agencies, creating websites for a living, making friends, and knowing more people. I felt I could do this forever. But I was wrong.

Why use Getters and Setters functions

Getter and Setter functions are collectively known as accessor functions. In my previous two articles, I talked about how I created mix because I wanted to use Getter and Setter functions.

But why do we even use Getters and Setters in the first place?

Why use getters and setters?

I have two reasons.

  1. Syntax reasons
  2. Encapsulation

Copying properties from one object to another (including Getters and Setters)

Object.assign is the standard way to copy properties from one object to another. It is often used for copying properties that are one-layer deep. (One-layer deep means there are no nested objects).

It can be used to extend settings from a default object. Here’s an example:

const one = { one: 'one' }
const two = { two: 'two' }
const merged = Object.assign({}, one, two)

console.log(merged) // { one: ‘one’, two: ‘two’ }

Unfortunately, Object.assign doesn’t copy accessors. (Accessor is a term for Getter and Setter functions). Object.assign reads the value of a Getter function and copies that value instead.

let count = 0
const one = {}
const two = {
get count () { return count },
set count (value) { count = value }
}
const three = Object.assign({}, one, two)

console.log(‘two:’, two) console.log(‘three:’, three)

Try logging two and three in a Node environment. Accessors will be logged clearly. You’ll immediately see that three.count is NOT an accessor.

Accessors are not copied into three.

Getting the horizontal and vertical centers of an element

I often find myself needing to calculate the horizontal center and vertical center of an element.

One example is a popover.

To position the popover perfectly, I need to know the horizontal and vertical centers of the button that triggers the popover. Here’s one example of a calculation I had to make.

One of the popover calculations.

Polymorphism in JavaScript

For the longest time, I thought that “Polymorphing” was about converting something into sheep (thanks to Warcraft). The sheep image stuck with me and made it hard to understand exactly what Polymorphism is.

Today I want to explore what Polymorphism actually is. (Fun fact: Most articles about Polymorphism in JavaScript covers less than 1/3 of what it actually is).

Arrow Function Best Practices

When this is used in an arrow function, this will be the this value in the surrounding lexical scope.

Arrow functions change MANY things, so there are two best practices you need to know.

  1. Don’t create methods with arrow functions
  2. Create functions INISDE methods with arrow functions

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