When trying to import jQuery into my Angular 7 application, I discovered that there are two different methods to accomplish this task.
scripts property in the angular.json file.import 'jquery';What sets these approaches apart from each other?
Transforms the script into a global entity, mimicking the behavior of adding a script tag directly in the index.html file.
Utilizes modules to prevent pollution of the global scope and enables tools such as Webpack to enhance the bundling process through techniques like "tree-shaking".
First and foremost, let me emphasize that combining JQuery with Angular is typically not advisable - so I trust you have a valid reason for doing so. In regards to your inquiry,
When you import a file using the scripts property in angular.json, you are essentially importing the entire file and executing its code. This action takes place before your Angular app code is executed.
Conversely, when you import a module (after installing it via a package manager like npm), you have the ability to only import the necessary modules, resulting in less code being executed by the browser. Although, it's worth noting that when using JQuery, you're likely importing the entire library anyway.
If possible, I always recommend utilizing a package manager for installation, as:
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