You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
12 lines
175 B
12 lines
175 B
7 years ago
|
export default function contains (root, n) {
|
||
|
|
let node = n
|
||
|
|
while (node) {
|
||
|
|
if (node === root) {
|
||
|
|
return true
|
||
|
|
}
|
||
|
|
node = node.parentNode
|
||
|
|
}
|
||
|
|
|
||
|
|
return false
|
||
|
|
}
|