Component Closure Add Item

24 September 2020 by osban

Level: beginner • Mithril.js Version: latest

closure component m.mount state

This is an example showing a very simple JavaScript closure for state management. The example shows a list that can be expanded by one item by clicking the add button. Handling state with JavaScript closures is one of the recommended ways in Mithril.js.

Live Example #

JavaScript #

const Foo = () => {
  const els = ["first item"]

  return {
    view: () => [
      m('button', {
        onclick: () => {els.push('another item')}
      }, 'add item'),

      m('ul', els.map(item => m('li', item)))
    ]
  }
}

m.mount(document.body, Foo)

The snippet requires the latest version of Mithril.js framework. It is ideal for beginners showing some basic recipes.

In this example we can see an example of Mithril.js' m.mount API method, besides it core m() hyperscript function.

The code sample was authored by osban. It was last modified on 24 September 2020. Want to see more examples written by osban? Then Click here.

Contribute #

Do you see some improvements, that could be addressed here? Then let me know by opening an issue. As an alternative, you can fork the repository on GitHub, push your commits and send a pull request. To start your work, click on the edit link below. Thank you for contributing to this repo.

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