Code snippets

You will find here 22 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 ™.

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

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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

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In this snippet, we will see how to get your public IP address with the Symfony HTTP client. Be careful that here, by public IP, I...

Symfony

Published on 2020-07-05 • Modified on 2020-07-05

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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

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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

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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

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In this snippet we will see how to alter the title element of an HTML document dynamically. It is something I use on my pomodoro.f...

Vue.js

Published on 2020-05-16 • Modified on 2020-05-16

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This function is the sibling of the setTimeout function we saw in the previous snippet. This time it will allow us executing some...

JavaScript

Published on 2020-05-06 • Modified on 2020-05-06

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This is a classical JavaScript snippet; I wanted to have it here on my blog with a live demo. Click on the button to trigger an al...

JavaScript

Published on 2020-05-02 • Modified on 2020-05-02

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In this snippet, we will see how to detect a page refresh or exit with JavaScript. On my pomodoro.fun 🍅 side project, there is no ...

JavaScript

Published on 2020-04-21 • Modified on 2020-04-21

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