From cf33e483f7e6f40e8cbbbc0118a7df70bdaf651f Mon Sep 17 00:00:00 2001 From: syuilo Date: Thu, 29 Mar 2018 20:32:18 +0900 Subject: 整理した MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- src/client/app/common/scripts/contains.ts | 8 ++++++++ 1 file changed, 8 insertions(+) create mode 100644 src/client/app/common/scripts/contains.ts (limited to 'src/client/app/common/scripts/contains.ts') diff --git a/src/client/app/common/scripts/contains.ts b/src/client/app/common/scripts/contains.ts new file mode 100644 index 0000000000..a5071b3f25 --- /dev/null +++ b/src/client/app/common/scripts/contains.ts @@ -0,0 +1,8 @@ +export default (parent, child) => { + let node = child.parentNode; + while (node) { + if (node == parent) return true; + node = node.parentNode; + } + return false; +}; -- cgit v1.2.3-freya