Download Learning Web Component Development by Sandeep Kumar Patel PDF

By Sandeep Kumar Patel

Discover the potential for internet elements utilizing PolymerJS, Mozilla Brick, Bosonic, and ReactJS

About This Book

  • Gain a realistic knowing of net elements via real-world examples
  • Learn to build an entire and practical net part with local JavaScript
  • Build your toolbox for net part improvement via harnessing the ability of PolymerJS, ReactJS, Bosonic, and Mozilla Bricks

Who This ebook Is For

This booklet is the best reference for any net developer searching for an creation to the recent instruments and methods used to create internet components.

In Detail

Web elements are an exhilarating new set of internet criteria used to supply reusable and robust widgets by means of encapsulating and lengthening HTML and CSS. internet parts are swiftly coming of age and are able to make their debut on your browser.

Starting with an advent to all of the center recommendations of net part requisites, you may be taken via construction your individual customized clock part. you'll then become familiar with Shadow DOM, HTML Import, and templating as you create an element utilizing natural JavaScript. Following this, you are going to discover the middle instruments and libraries for internet part improvement, together with Polymer, Bosonic, Mozilla Brick, and ReactJS, and how one can placed them to paintings for sensible improvement. This booklet provides you with an in depth realizing of structure, configuration, and choosing the suitable software for you and your needs.

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Additional info for Learning Web Component Development

Sample text

Org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/defineProperties Defining lifecycle methods An object in JavaScript goes through different states during its lifecycle. The different states of an object lifecycle are listed here: created: An object is in the created state when it is initialized. attached: An object is in the attached state when it is inserted to the DOM. detached: An object is in the detached state when it is removed from the DOM. attributeChanged: An object is in the attaributeChanged state when one of its property's values is updated.

Custom element feature detection A new element can be registered to DOM using the registerElement method. We can detect the support of the custom element in the current browser by checking the presence of the registerElement function inside document. "; } In the preceding code, the isCustomElementSupported method has the code to check the custom element support. It uses the in operator to check whether the registerElement function is present inside the document object.

If the custom element is supported, the method returns true and the success message gets rendered in the browser. The following screenshot shows the output of the preceding code in the browser: We can also use the Can I Use online tool to check the support for custom elements. The following screenshot shows the current status of the browser for custom element support: Developing a custom element In this section, we will develop a custom element and understand each step in detail. create method.

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