[docs] Property expression section does not provide a concrete example how to access JavaScript property in Child Web Component

[projektorius96]

In reference to Property Expression please provide a concrete example depicting the access to the JavaScript property in Child Web Component ; elaborating on what is given by the documentation at section [Property Expression], consider the following:

html`<my-list .listItems=${this.items}></my-list>`;

In accordance to this answer on stackoverflow the JavaScript property .listItems passed to custom element my-list in Child Web Component should be access as follows:

class MyList extends LitElement {
 /* ... */
  render() {
    return html `<p>${this.listItems}</p>`
   }
/* ... */
}
customElements.define('my-list ', MyList);

This should be clearly outlined from day number one, without forcing to end up on sites like StackOverflow ...

Thank you.

[projektorius96]

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