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Simple & clean web component inner-element handling
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| <!DOCTYPE html> | |
| <html> | |
| <body> | |
| <x-one></x-one> | |
| <script src="./x-one.js"></script> | |
| </body> | |
| </html> |
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| class XOne extends HTMLElement { | |
| constructor() { | |
| super(); | |
| this._createDOM(); | |
| } | |
| connectedCallback() { | |
| this._onNameChange = this._onNameChange.bind(this); | |
| this._nameEl = this.querySelector('[dom-id="x-one/name"]'); | |
| this._nameInputEl = this.querySelector('[dom-id="x-one/name-input"]'); | |
| this._nameInputEl.addEventListener('input', this._onNameChange); | |
| // Initial state | |
| this._onNameChange(); | |
| } | |
| disconnectedCallback() { | |
| this._nameInputEl.removeEventListener('input', this._onNameChange); | |
| } | |
| _createDOM() { | |
| this.innerHTML = /*html*/` | |
| <div class="x-one-wrapper"> | |
| <div class="x-one-text"> | |
| My name is | |
| <span dom-id="x-one/name" class="x-one-name"></span>! | |
| </div> | |
| <div> | |
| <input dom-id="x-one/name-input" type="text" placeholder=""> | |
| </div> | |
| </div> | |
| `; | |
| } | |
| _onNameChange(ev) { | |
| this._nameEl.innerText = this._nameInputEl.value || '___'; | |
| } | |
| } | |
| customElements.define('x-one', XOne); |
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