lib/kissy/5.0.0-alpha.3/lib/build/event/base.js
function (observer) {
            var self = this, i, observers = self.observers, len = observers.length;
            for (i = 0; i < len; i++) {
                if (observers[i] === observer) {
                    observers.splice(i, 1);
                    break;
                }
            }
            self.checkMemory();
        }
function (observer) {
            var self = this, i, observers = self.observers, len = observers.length;
            for (i = 0; i < len; i++) {
                if (observers[i] === observer) {
                    observers.splice(i, 1);
                    break;
                }
            }
            self.checkMemory();
        }
function ( observer ) { var self = this , i , observers = self . observers , len = observers . length ; for ( i = 0 ; i < len ; i ++ ) { if ( observers [ i ] === observer ) { observers . splice ( i , 1 ) ; break ; } } self . checkMemory ( ) ; }
remove one observer from current event's observers
@param {KISSY.Event.Observer} observer
remove one observer from current event s observers