Lodash，满足要求的对象

Question

示例：

head

如何将Id不为null的所有对象转换为新数组？

预期产出：

<style type="text/css">

Answer 1

尝试使用_.filter

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var Animals = [{Name: 'Dog', Id: 0},{Name: 'Cat', Id: 1},{Name: 'Mouse', Id:null}]
var newArray =_.filter(Animals ,a=> a.Id != null)
console.log(newArray)

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<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.11.2/lodash.min.js"></script>

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