Sharkey/src/client/scripts/contains.ts
syuilo f6154dc0af
v12 (#5712)
Co-authored-by: MeiMei <30769358+mei23@users.noreply.github.com>
Co-authored-by: Satsuki Yanagi <17376330+u1-liquid@users.noreply.github.com>
2020-01-30 04:37:25 +09:00

9 lines
231 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;
};