Code snippets
You will find here 25 code snippets I find useful so I don't have to Google ™ or Stackoverflow ™ them when I need. There are also code snippets I always forget! 😁 Sometimes, related links to the code will be available. The main difference with other random snippets you will find on the web is that in most cases (for the Symfony related ones) you will be able to run them directly from this website to check the output so you can verify it works as expected ™.
This snippet shows how to enable the HTML design mode on the fly in the browser with JavaScript. You must open the browser console...
JavaScript
Published on 2024-03-24 • Modified on 2024-03-24
This snippet shows how to display the status code of the last executed command in the terminal. It can be helpful in shell scripts...
terminal
Published on 2023-10-21 • Modified on 2023-10-21
This snippet shows how to execute a given Make target inside a target. When you want to run a target before another, you can put a...
make
Published on 2023-03-15 • Modified on 2023-03-15
It's something to know about Yarn. When running install (when a previous install has already be done), it doesn't check that every...
yarn
Published on 2021-02-17 • Modified on 2021-02-17
In this snippet, we will see how to use the JavaScript Fetch API asynchronously. Open your JavaScript console and click on the "fe...
JavaScript
Published on 2020-10-25 • Modified on 2020-10-25
In this snippet, we will see how to extract a result from a JavaScript array using the reduce function and a callback. First, we d...
JavaScript
Published on 2020-07-19 • Modified on 2020-07-19
In this snippet, we will see how to detect the status of the Internet connection with JavaScript. A message is displayed just abov...
JavaScript
Published on 2020-07-12 • Modified on 2020-07-12
In this snippet, we will see how to loop on JavaScript arrays. I will go straight to the point and show my preferred ways, the fir...
JavaScript
Published on 2020-06-19 • Modified on 2020-06-19
In this snippet, we will see how to test if a variable is defined with JavaScript. To correctly understand the following code, we ...
JavaScript
Published on 2020-06-04 • Modified on 2020-06-04
In this snippet, we will see how to add or remove a class from an HTML element with JavaScript. It can be done with the classList ...
JavaScript
Published on 2020-05-23 • Modified on 2020-05-23