原数组:
const arr =[ { name:'zhangsan', age:34 },{ name:'lisi', age:34 },{ name:'zhangsan', age:34 },{ name:'lisi', age:34 },{ name:'zhangsan', age:34 },{ name:'lisi', age:34 } ]
解决代码:
const nArr = arr.filter((element,index,self)=>{ return self.findIndex(x=>x.name===element.name) === index })
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