en lang edit, new designed

web/assets/js/util/common.js

@@ -54,4 +54,16 @@ function addZero(num) {
 function toFixed(num, n) {
     n = Math.pow(10, n);
     return Math.round(num * n) / n;
-}
+}
+
+function debounce (fn, delay) {
+    var timeoutID = null
+    return function () {
+      clearTimeout(timeoutID)
+      var args = arguments
+      var that = this
+      timeoutID = setTimeout(function () {
+        fn.apply(that, args)
+      }, delay)
+    }
+  }