paricafe/packages/client/src/scripts/contains.ts
2022-05-07 14:19:15 +09:00

9 lines
232 B
TypeScript

export default (parent, child, checkSame = true) => {
if (checkSame && parent === child) return true;
let node = child.parentNode;
while (node) {
if (node === parent) return true;
node = node.parentNode;
}
return false;
};