<proto> declare: public array: number[] = []; default: this.array.push(0); // test inline reactions const a = (() => this.array .splice(0)); // should erase li element after 1400ms setTimeout(() => this.array.splice(0) && true, 1400);</proto><template> Numbers: <ul> <li --for="array as (number)"> ${number} </li> </ul></template>