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LitElement basic example
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| <!doctype html> | |
| <html> | |
| <head> | |
| <!-- Polyfills only needed for Firefox and Edge. --> | |
| <script src="https://unpkg.com/@webcomponents/webcomponentsjs@latest/webcomponents-loader.js"></script> | |
| </head> | |
| <body> | |
| <!-- Works only on browsers that support Javascript modules like | |
| Chrome, Safari, Firefox 60, Edge 17 --> | |
| <script type="module"> | |
| import {LitElement, html, css} from 'https://unpkg.com/lit-element/lit-element.js?module'; | |
| class MyElement extends LitElement { | |
| static get properties() { | |
| return { | |
| mood: {type: String} | |
| } | |
| } | |
| static get styles() { | |
| return css`.mood { color: green; }`; | |
| } | |
| render() { | |
| return html`Web Components are <span class="mood">${this.mood}</span>!`; | |
| } | |
| } | |
| customElements.define('my-element', MyElement); | |
| </script> | |
| <my-element mood="great"></my-element> | |
| </body> | |
| </html> |
import {LitElement, html} from 'https://unpkg.com/@polymer/lit-element@latest/lit-element.js?module';
class MyElement extends LitElement {
static get properties() { return { mood: String }}
render() {
return html`<style> .mood { color: green; } </style>
Web Components are <span class="mood">${this.mood}</span>!`;
}
}
customElements.define('my-element', MyElement);
^^ I believe that will work.
Updated so this example should work now.
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FYI this no longer works. The JSFiddle, etc. on Getting Started have been updated so this probably needs to be as well.