Сергей Сергей

function recur( obj ) {
  if( typeof obj !== 'object' ) return obj;
  return Object.values( obj ).map( v => recur(v) ).flat()
}

let result = recur( users );

queue = [...newData, ...queue].slice( 0, queLength )

((a,b)=>JSON.stringify(a).match(new RegExp('(?<="'+b+'":")[^"]+')).pop())({
    "mass1": [
        {
            "name1": "value1",
            "name2": "value2"
        },
        {
            "name3": "value3",
            "name4": "value4"
        },
        {
            "name5": "value5",
            "name6": "value6"
        }
    ],
    "mass2": [
        {
            "name7": "value7",
            "name8": "value8"
        },
        {
            "name9": "value9",
            "name10": "value10"
        },
        {
            "name11": "value11",
            "name12": "value12"
        }
    ],
    "mass3": [
        {
            "name13": "value13",
            "name14": "value14"
        },
        {
            "name15": "value15",
            "name16": "value16"
        },
        {
            "name17": "value17",
            "name18": "value18"
        }
    ]
},'name8')

(function sss( a ) {
  if( typeof a === 'number' ) return a;
  if( a.length === 0 ) return 0;
  return sss( a[ 0 ] ) + sss( a.slice( 1 ) );
})(  [ 2, [ 4, [2], 8, [15,7], 4 ], [ 9, [] ]] );

-eventDate = (Date.parse(new Date().toDateString())+86400000) / 1e3;
+eventDate = Date.parse(options.date) / 1e3;

((a,b)=>a.map( a => ({...a, ...(b.find( b=>b.sku===a.sku )||{} )}) ))( arr_ru, arr_en )