CSV data loading as array of arrays; How to convert into object?

Question

I was wanting to see if there is a relatively simple method for doing this as I can use the following:

var arr = [ "Client", "ActType", "CallRepType"];
var arr2 = [ "ECF", "Meeting", "Call Report"]
var myobj = arr2.map(value => ({'Client': arr2[0], 'ActType': arr2[1], 'CallRepType': arr2[2]}));

But I get the same correct object 3 times in a row...I simply want a single object returned that looks like:

{Client: 'ECF', ActType: 'Meeting', CallRepType: 'Call Report'}

I know I can loop through both arrays but I was hoping to get a solution using map, reduce or taking advantage of spread in javascript...

^ There's also no such thing as an ATM machine or a PIN number, but people still claim to use both ;) — Obsidian Age
– Obsidian Age, Commented Apr 3, 2018 at 20:54

Randy Casburn · Accepted Answer · 2018-04-03 21:03:09Z

2

A faster solution that uses Array.prototype.forEach():

var arr = [ "Client", "ActType", "CallRepType"];
var arr2 = [ "ECF", "Meeting", "Call Report"]
var result = {};
arr.forEach((el, i) => { result[el] = arr2[i]; });

console.log(result);

Array.prototype.forEach()`

answered Apr 3, 2018 at 21:03

Randy Casburn

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1 Comment

MattE Over a year ago

very nice! Works great

Ori Drori · Accepted Answer · 2018-04-03 20:55:11Z

2

This a solution that uses Array.reduce() to create the object:

const arr = [ "Client", "ActType", "CallRepType"];
const arr2 = [ "ECF", "Meeting", "Call Report"]
const myobj = arr.reduce((r, key, i) => {
  r[key] = arr2[i];
  return r;
}, {});

console.log(myobj);

answered Apr 3, 2018 at 20:55

Ori Drori

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Comments

Pritam Banerjee · Accepted Answer · 2018-04-04 20:15:55Z

0

You can loop through the array and do it:

var arr = [ "Client", "ActType", "CallRepType"];
var arr2 = [ "ECF", "Meeting", "Call Report"];
var len = arr.length;
var myObj = {};
for (var i = 0; i < len; i++) {
    var myObject = {};
    myObj[arr[i]] = arr2[i]
   // myObj.push = myObject;
}

console.log(myObj);

edited Apr 4, 2018 at 20:15

answered Apr 3, 2018 at 21:02

Pritam Banerjee

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4 Comments

MattE Over a year ago

I know about looping through the arrays, I wanted to learn how to utilize built in methods to do it

Pritam Banerjee Over a year ago

@MattE Ok, added one more example

Stephen P Over a year ago

Neither method produces the OP's desired output, an object with the members {Client: 'ECF', ActType: 'Meeting', CallRepType: 'Call Report'} not an array of objects each with one member.

Pritam Banerjee Over a year ago

@StephenP My bad. Removed it.

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