Plugins are used to create a modular part of an application using various elements that can be used in multiple projects. Here is a simple demonstration:
(function( $ ) {
$.myFunc.showLinkLocation = function() {
this.filter( "a" ).append(function() {
return " (" + this.href + ")";
});
return this;
};
}( jQuery ));Note
For more support on creating custom plugins, you can visit https://learn.jquery.com/plugins/basic-plugin-creation/.
The jQuery community is huge. Developers have made some really great jQuery plugins and extensions that you can use in your projects. All these projects are available free of cost; however, there are some paid options too. The following are some great jQuery plugins: