Version 1

[yaffs-website] / node_modules / min-document / event / add-event-listener.js

diff --git a/node_modules/min-document/event/add-event-listener.js b/node_modules/min-document/event/add-event-listener.js
new file mode 100644 (file)
index 0000000..022c7ef
--- /dev/null
+++ b/node_modules/min-document/event/add-event-listener.js
@@ -0,0 +1,17 @@
+module.exports = addEventListener
+
+function addEventListener(type, listener) {
+    var elem = this
+
+    if (!elem.listeners) {
+        elem.listeners = {}
+    }
+
+    if (!elem.listeners[type]) {
+        elem.listeners[type] = []
+    }
+
+    if (elem.listeners[type].indexOf(listener) === -1) {
+        elem.listeners[type].push(listener)
+    }
+}