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deka-dom-el/docs_src/components/examples/observables/dom-el.js
2023-11-29 18:25:21 +01:00

27 lines
632 B
JavaScript

import { O } from "deka-dom-el/observables";
const count= O(0, {
add(){ this.value= this.value + Math.round(Math.random()*10); }
});
const numbers= O([ count() ], {
push(next){ this.value.push(next); }
});
import { el } from "deka-dom-el";
document.body.append(
O.el(count, count=> count%2
? el("p", "Last number is odd.")
: el()
),
el("p", "Lucky numbers:"),
el("ul").append(
O.el(numbers, numbers=> numbers.toReversed()
.map(n=> el("li", n)))
)
);
const interval= 5*1000;
setTimeout(clearInterval, 10*interval, setInterval(function(){
O.action(count, "add");
O.action(numbers, "push", count());
}, interval));