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Johnny Simpson
Johnny Simpson

281 Followers

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Level Up Coding

·Pinned

Creating your first Svelte App with SvelteKit

Svelte is a lightweight framework for building web applications. When you use it, it looks and feels a lot like other frontend frameworks like React and Vue, but leaves the virtual DOM behind. …

Svelte

5 min read

Svelte is a lightweight framework for building web applications.
Svelte is a lightweight framework for building web applications.
Svelte

5 min read


Published in

JavaScript in Plain English

·Pinned

Types May Finally be Coming to JavaScript

A detailed look at what the changes are going to be and how they will affect JavaScript. — With the promotion of Type Annotations to Proposal Level 1 Stage, JavaScript is one step closer to being a more strongly typed language. Let’s dive into what the changes will mean for JavaScript. Types in JavaScript JavaScript is dynamically typed. That means that it figures out the type of something by where it…

JavaScript

4 min read

Types May Finally be Coming to JavaScript
Types May Finally be Coming to JavaScript
JavaScript

4 min read


Published in

JavaScript in Plain English

·Pinned

What do the Three Dots (Spread Operator) Mean in JavaScript?

The spread operator, or 3 dots, is an operator in JavaScript which is used by both function calls and in arrays/objects. It has a multitude of different uses, so let’s take a look at how we use the spread operator in real JavaScript code. In function calls We can use the 3 dots…

JavaScript

2 min read

What do the Three Dots (Spread Operator) Mean in JavaScript?
What do the Three Dots (Spread Operator) Mean in JavaScript?
JavaScript

2 min read


Published in

JavaScript in Plain English

·Feb 8

Javascript Arrays — How to Remove Duplicate Elements

Javascript arrays can contain duplicates — which is fine most of the time, but can sometimes cause some issues. For example, if an array is supposed to only contain unique user IDs, but is taken from a data source which may contain duplicates: let userIds = [ '123-123', '123-123', '234-234'…

JavaScript

2 min read

Javascript Arrays — How to Remove Duplicate Elements
Javascript Arrays — How to Remove Duplicate Elements
JavaScript

2 min read


Published in

JavaScript in Plain English

·Feb 8

What Are JavaScript Arrays?

Arrays in JavaScript are a simple, one dimensional way to store simple sets of data. Arrays are non unique, which means they can store duplicates (unlike sets). They also follow typical prototype inheritance, as with other Javascript types. …

Web Development

5 min read

What Are JavaScript Arrays?
What Are JavaScript Arrays?
Web Development

5 min read


Published in

JavaScript in Plain English

·Feb 7

Checking if a Value is a Number in JavaScript with isNaN()

In Javascript, we have numerous ways to check if something is or is not a number. This is a particularly common task in Javascript, where there is dynamic typing, resulting in some unexpected things being classified as numbers. …

JavaScript

4 min read

Checking if a value is a number in Javascript with isNaN()
Checking if a value is a number in Javascript with isNaN()
JavaScript

4 min read


Published in

JavaScript in Plain English

·Feb 7

v-show vs v-if: Conditional Rendering in Vue

v-if and v-show are two ways to conditionally render content in Vue. Both are built to conditionally render content in Vue, but in slightly different ways - which can be quite confusing. Let's take a look at how they work, and when you would use each. v-if vs v-show v-if in conditional rendering…

Web Development

3 min read

v-show vs v-if: Conditional Rendering in Vue
v-show vs v-if: Conditional Rendering in Vue
Web Development

3 min read


Published in

JavaScript in Plain English

·Feb 6

How to Check if Object is Empty in JavaScript

Defining a new object in Javascript is pretty easy — but what if you want to find out if it’s empty? For example, {} is an empty object, but how do we actually test that this is the case? let myObject = {} The easiest (and best) way to do…

Web Development

2 min read

How to Check if Object is Empty in JavaScript
How to Check if Object is Empty in JavaScript
Web Development

2 min read


Published in

JavaScript in Plain English

·Feb 6

JavaScript Promise.all() — Everything You Need to Know

The Promise.all() method in Javascript is a function which accepts many promises, and then does something only after they have all been settled. From all the promises you enter into it, it creates a new promise which then waits for each promise to finish, before continuing. …

JavaScript

3 min read

Javascript Promise.all() — Everything you need to know
Javascript Promise.all() — Everything you need to know
JavaScript

3 min read


Published in

JavaScript in Plain English

·Feb 6

JavaScript innerHTML

In Javascript, we have lots of different ways to manipulate DOM elements. DOM elements are the HTML elements we define when we write our scripts. …

JavaScript

3 min read

Javascript innerHTML
Javascript innerHTML
JavaScript

3 min read

Johnny Simpson

Johnny Simpson

281 Followers

http://fjolt.com/

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