INNER CODE UNIT · JavaScript

function

kingschan1204/istock · src/main/resources/mapreduce/5years_dy/5dy-mapreduce.js:2

    function () {
        emit(this.code, {percent: this.percent, title: this.title.substring(0,4)})
    },  //map 函数
    function(key, values) {
        var total=0;
        var years="";
        var array=new Array();
        for (var i = 0; i < values.length; i++) {
            var title =values[i].title;
            array.push(title);
            total+=values[i].percent;
            years+=title+",";
        }
        //去掉重复key
        function unique3(arr){
            arr.sort();
            var hash=[arr[0]];
            for (var i = 1; i < arr.length; i++) {

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