amis-rpc-design/node_modules/rc-util/lib/Dom/contains.js
2023-10-07 19:42:30 +08:00

26 lines
438 B
JavaScript

"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = contains;
function contains(root, n) {
if (!root) {
return false;
}
// Use native if support
if (root.contains) {
return root.contains(n);
}
// `document.contains` not support with IE11
var node = n;
while (node) {
if (node === root) {
return true;
}
node = node.parentNode;
}
return false;
}