1👍
✅
Use bind:property
(tutorial) to get the chart reference » REPL
<script>
...
let chartRef
const onZoomPluse = () => {
chartRef.zoom(1.1);
};
</script>
<Line bind:chart={chartRef} options={options} data={data} />
<button on:click={onZoomPluse}>zoom +10%</button>
Source:stackexchange.com