Let's say we have the following module:
;(function(root, type, amount) {
let parent = document.querySelector(root);
for (let i = 1; i <= amount; i++) {
let elem = document.createElement(type);
parent.append(elem);
}
})('#parent', 'p', 5);
As you can see, three settings are passed into this module: the parent element selector, the element type to create, and the number of elements.
As a rule, such settings are made in the form of an object:
let config = {
root: '#parent',
type: 'p',
amount: 5
}
Let's pass our object as a module parameter:
;(function(config) {
let parent = document.querySelector(config.root);
for (let i = 1; i <= config.amount; i++) {
let elem = document.createElement(config.type);
parent.append(elem);
}
})(config);
It is more common to destructure an object with settings:
;(function({root, type, amount}) {
let parent = document.querySelector(root);
for (let i = 1; i <= amount; i++) {
let elem = document.createElement(type);
parent.append(elem);
}
})(config);