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Charlie's Blog

A place for my coding projects.

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Rock, Paper, Scissors in HTML, CSS, and JavaScript

Rock, Paper, Scissors is a game in which two players make their hands ressemble a rock, paper, or scissors at the same time. The rules are simple: rock blunts scissors, paper smothers rock, and scissors cut paper. While the game is simple and easy to play in the real world, coding it in a high-level…
Read more: Rock, Paper, Scissors in HTML, CSS, and JavaScript
Nov 23, 2022
Stopwatch in HTML, CSS, and JavaScript

In the previous post, I showcased my improved timer application written in HTML, CSS, and JavaScript. Every second, the value of the seconds input box would be decreased by 1, and if it went into negative numbers, it would be reset to 59 and the minutes input box would be decreased by 1 and so…
Read more: Stopwatch in HTML, CSS, and JavaScript
Nov 14, 2022
Timer in HTML, CSS, and JavaScript (version 2.0)

After testing the timer from my previous post over a period of a few days, I have reached the unfortunate conclusion that the code was extremely overcomplicated, and also very buggy.
Read more: Timer in HTML, CSS, and JavaScript (version 2.0)
Nov 6, 2022
Basic countdown timer in HTML, CSS, and JavaScript

Over the past few days I have decided to put my acquired knowledge of HTML, CSS, and JavaScript to the test and write a timer application.
Read more: Basic countdown timer in HTML, CSS, and JavaScript
Oct 28, 2022
Wait X milliseconds in JavaScript

In many programming languages, such as C, Python, and Java, there exist functions that allow you to postpone execution of code for a specified number of seconds or milliseconds.
Read more: Wait X milliseconds in JavaScript
Jul 8, 2022
Verify a user’s age with HTML and JavaScript

To sign up to many websites, you must meet a certain age requirement. To acquire a Google account, for example, you must be at least 13 years old. In the case you enter a birthdate that indicates you do not meet the age requirement for Google, you will be informed that you do not meet…
Read more: Verify a user’s age with HTML and JavaScript
Jul 6, 2022
Simple calculator program with HTML and JavaScript

In this article, I will be walking through how to write a simple calculator with HTML and JavaScript. This calculator will take two numbers and allow the user to choose from four buttons (add, subtract, multiply, and divide) on what they would like to do with them. The answer is given via a popup box.
Read more: Simple calculator program with HTML and JavaScript
Jul 5, 2022
Writing a dice game in C Part 1 — The Game

When trying to learn a programming language, writing a basic game can really help you understand the language in depth. Writing a game requires user interaction, so it can be a great way to familiarise yourself with acquiring input and working with it. Additionally, it can improve your understanding of programming concepts such as iteration…
Read more: Writing a dice game in C Part 1 — The Game
Jun 30, 2022
How to convert denary to binary in C

A binary number is a number that represents information or data stored in a computer with a combination of 0s and 1s. Denary is the standard number system which uses 10 digits (0-9) to represent all numbers.
Read more: How to convert denary to binary in C
Jun 28, 2022
How to check if a subarray is present in a character array in C

Unlike most other programming languages, C lacks the variable type of strings. Instead, the closest thing we can get to a string is a character (char) array. This is basically a list of characters. For example, instead of “Hi!” you’d have {‘H’,’i’,’!’}. Character arrays can be outputted using printf just like a string in other…
Read more: How to check if a subarray is present in a character array in C
Jun 25, 2022

Latest posts

Rock, Paper, Scissors in HTML, CSS, and JavaScript

Rock, Paper, Scissors is a game in which two players make their hands ressemble a rock, paper, or scissors at the same time. The rules are simple: rock blunts scissors, paper smothers rock, and scissors cut paper. While the game is simple and easy to play in the real world, coding it in a high-level…

23rd Nov 2022
Stopwatch in HTML, CSS, and JavaScript

In the previous post, I showcased my improved timer application written in HTML, CSS, and JavaScript. Every second, the value of the seconds input box would be decreased by 1, and if it went into negative numbers, it would be reset to 59 and the minutes input box would be decreased by 1 and so…

14th Nov 2022
Timer in HTML, CSS, and JavaScript (version 2.0)

After testing the timer from my previous post over a period of a few days, I have reached the unfortunate conclusion that the code was extremely overcomplicated, and also very buggy.

6th Nov 2022