JavaScript

If you want to access the location.search parameters with JavaScript and have a key / value object returned, here’s a snippet for you: How to use it Output Jest Unit Tests I even have some unit tests for you, using Jest

Here’s how to order an array of objects by multiple property values. I want to order my friends: First the oldest. If they have the same age, first the tallest. We’ll use Array.prototype.sort() Result As you can see the friend 4 and 5, who have the same age have been sorted by tallest first.

If you’re debugging a LocalStorage issue and want to use a call stack to know what or who is triggering a localstorage get or set you can define a proxy function. The following snippet will overwrite the window.localStorage It has the same functions but adds a console.log and debugger before them.

How to to filter an array using another array with JavaScript…

Delete browser cookies from JavaScript…

Programmatically delete specific posts from a certain year on Facebook

Use a throttle function to your scroll event listener to improve the performance of your UI…

If you need to find the url’s in a string and convert them to HTML link elements using JavaScript, feel free to take this handy regex expression…