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JavaScriptJSON数组去重复Reduce

2019年04月09日  | 移动技术网IT编程  | 我要评论

javascriptjson数组去重复reduce。

var arr = [{
    "name": "zytx",
    "age": "y13xg_4wqnowk1qwjlgg11d0ps4hewepu95uhtpml3ee81us74nc-6zu-rtnw4ix",
    "gender": "aaaaaa.doc"
}, {
    "name": "zyta",
    "age": "y13xg_4wqnowk1qwjlgg11d0ps4hewepu95uhtpml3ee81us74nc-6zu-rtnw4ix",
    "gender": "bbbbbb.doc"
}, {
    "name": "zdtx",
    "age": "y13xg_4wqnowk1qwjlgg11d0ps4hewepu95uhtpml3ee81us74nc-6zu-rtnw4ix",
    "gender": "cccccc.doc"
}, {
    "name": "zytx",
    "age": "y13xg_4wqnowk1qwjlgg11d0ps4hewepu95uhtpml3ee81us74nc-6zu-rtnw4ix",
    "gender": "aaaaaa.doc"
}];
var hash = {};
    arr = arr.reduce(function(item, next) {
        hash[next.name] ? '' : hash[next.name] = true && item.push(next);
        return item
    }, [])
console.log(arr);

这里写图片描述

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