Function getEl

examples/scatter-density-1m/main.ts:63–67

(id: string)

};

const getEl = <T extends HTMLElement>(id: string): T => {
  const el = document.getElementById(id);
  if (!el) throw new Error(`Missing element #${id}`);
  return el as T;
};

const lowerBoundByX = (points: ReadonlyArray<ScatterPointTuple>, x: number): number => {
  let lo = 0;