Should I use JavaScript libraries?

Should I use JavaScript libraries?

As a developer, having and using the right JavaScript libraries is important. It will make you more productive and will make development much easier and faster. In the end, it is up to you which library to prefer based on your needs.

What are JavaScript libraries used for?

A JavaScript library is a library of pre-written JavaScript code that allows for easier development of JavaScript-based applications, especially for AJAX and other web-centric technologies.

How many different JavaScript libraries are there?

In case you’re wondering how many JavaScript frameworks are there, according to Wikipedia (which isn’t the most trusty source, but hey), there are at least 24 JS frameworks and around 83 libraries.

Can a third party library take over the Dom?

However, there are some third-party JavaScript libraries that take over the DOM. When using these libraries, add lwc:dom=”manual” to any empty native HTML element that you want to manipulate with JavaScript. When the engine sees the directive, it preserves encapsulation.

How to use a third-party library in JavaScript?

Import the library by its static resource name. For example, if you named the static resource myLib: Import methods from the platformResourceLoader module. See the lightning / platformResourceLoader reference docs. Load the library and call its functions in a then() method.

How does loading third party JavaScript affect performance?

Including multiple third party embeds can lead to multiple frameworks and libraries being pulled in several times. This is wasteful and exacerbates the performance issues. Third-party scripts often use embed techniques that can block window.onload if their servers respond slowly, even if the embed is using async or defer.

What are the disadvantages of using third party libraries?

This brings us to the disadvantages of third-party libraries. Relying on a third party library means that your code is tied to that library. If at some point, you are forced to switch libraries, your code might have to undergo significant changes in order to adapt it to the new library.