import debounce from ‘lodash.debounce‘;
this.deboucedFunc = debounce(this.viewModel.v_onHomeworkRequest, 1000);
this.mapListener(this.sclr_homework, eui.UIEvent.CHANGE_END, this.deboucedFunc, this);
滑条滚动发请求要用Debounce
原文：https://www.cnblogs.com/jason-beijing/p/10328422.html
