原题目: 请实现find函数,使下列的代码调用正确。 约定: title数据类型为String userId为主键,数据类型为Number ``` var data = [ {userId: 8, title: 'title1'}, {userId: 11, title: 'other'}, {userId: 15, title: null}, {userId: 19, title: 'title2'} ]; var find = function(origin){ //your code are here... } //查找data中,符合条件的数据,并进行...