src/util/highlight/touch.js
function(_id,_clazz,_event){
            _cache[_id] = _v._$page(_event);
            _e._$addClassName(_id,_clazz);
        }
function(_id,_clazz,_event){
            _cache[_id] = _v._$page(_event);
            _e._$addClassName(_id,_clazz);
        }
function ( _id , _clazz , _event ) { _cache [ _id ] = _v . _$page ( _event ) ; _e . _$addClassName ( _id , _clazz ) ; }
touch start event
touch start event