Currently browsing JavaScript Arrays & Objects

Monday, August 29, 2022

Code Golfing Tips & Tricks: How to Minify your JavaScript Code

JavaScript golfing is the process of writing the smallest amount of JavaScript code to do something awesome.

Tuesday, August 9, 2022

The Complete JavaScript Strings Reference

JavaScript strings are deceptively complex constructs. There are actually two different types of strings – string Literals and string Objects…

Thursday, August 4, 2022

How to code your own JavaScript de-duplicator

I have a new tool on getButterfly: a data de-duplicator for emails, URLs, IDs, names and more. It's written in…

Tuesday, May 17, 2022

JavaScript Terminal

Today’s tutorial is about creating a terminal screen together with lime terminal characters in JavaScript. Let’s start with the CSS:…

Friday, June 3, 2022

How to create a simple JavaScript percentage graph (or chart)

This small JavaScript snippet creates percentage graphs out of raw (array) data. Just input the name/value pairs of the involved…

Monday, May 16, 2022

JSONify Dropdown Element Using Vanilla JavaScript

This function converts a regular <select> element both into an intented ul/li structure and JSON. It’s light and it’s been…

Monday, May 16, 2022

JavaScript Data Types

Every variable in JavaScript has a data type which dictates the values that can be stored in it. However, JavaScript…

Monday, May 16, 2022

A JSON Overview

JavaScript Object Notation, or JSON, is a plain text data interchange format. It is based on a subset of the third…

Tuesday, June 14, 2022

Native Browser Support for JSON

JavaScript Object Notation, or JSON, is a text format used to represent JavaScript objects as strings. Like other text formats,…

Tuesday, May 10, 2022

How and Why to Avoid ‘for’ Loops

Never again use for() for looping. Using for() can be dangerous, especially if you use a library which adds attributes…

Friday, June 3, 2022

Generate HTML List From JavaScript Array

Generate an HTML list based on the contents of a JavaScript array. By modifying the makeList() function to accept parameters…