SOURCE

(function() {
				var aim = [{
						name: 'Anne',
						age: 23,
						gender: 'female'
					},
					{
						name: 'Leila',
						age: 16,
						gender: 'female'
					},
					{
						name: 'Jay',
						age: 19,
						gender: 'male'
					},
					{
						name: 'Mark',
						age: 40,
						gender: 'male'
					}
				];
				//单条件过滤
				function filterByName(aim, name) {
					return aim.filter(item => item.name == name)

				}
				console.log("--单条件筛选--")
				console.log(filterByName(aim, "Leila"))
				// 根据单条件多数据筛选
				function filterByName1(aim, nameArr) {
					var result = []
					for (var i in nameArr) {
						result.push(aim.find(item => item.name == nameArr[i]))
					}
					return result
				};
				// 输入 aim ['Anne','Jay'] 
				//期望输出为 [{name:'Anne', age: 23, gender:'female'},{name:'Jay', age: 19, gender:'male'}]
				console.log("--根据名字选出多个数据筛选--");
				console.log(filterByName1(aim, ["Leila", "Jay"]))
				//console.log("第二种单条件多数据筛选方法");
				// 				function filterByName11(aim, nameArr) {
				// 					let v = nameArr.filter(item => {
				// 						if (aim.indexOf(item.name) > -1) {
				// 							return item
				// 							//console.log(item)
				// 						}
				// 					})
				// 					return v
				// 				}
				// 				console.log(filterByName11(aim,["Leila", "Jay"]));
				//根据名字或者年龄筛选
				function filterByName2(aim, name, age) {
					return aim.filter(item => item.name == name || item.age == age)
				}
				console.log("--根据名字或者年龄筛选--")
				console.log(filterByName2(aim, 'Leila', 19));
				
				console.log("多条件多数据筛选")
				function multiFilter(array, filters) {
					const filterKeys = Object.keys(filters)
					// filters all elements passing the criteria
					return array.filter((item) => {
						// dynamically validate all filter criteria
						return filterKeys.every(key => {
							//ignore when the filter is empty Anne
							if (!filters[key].length) return true
							return !!~filters[key].indexOf(item[key])
						})
					})
				}
				/*
				 * 这段代码并非我原创，感兴趣的可以去原作者那里点个赞
				 * 作者是：@author https://gist.github.com/jherax
				 * 这段代码里我只加了一行，解决部分筛选条件清空时候整体筛选失效的问题
				 */

				var filters = {
					name: ['Leila', 'Jay'],
					age: []
				}

				console.log(multiFilter(aim, filters))
			})()

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