Remove data containing string from object

Question

I want to ask how do I remove strings from data. Lets say I have a data:

var data = {DeviceID: "101", ManufacturerID: "9", ManufacturerName: "Toshiba", Device Name: "Toshiba - Tecra R950", Price: "200"};

how do I remove ManufacturerName and Device Name because they do not have numbers?

you'll have to try to convert each value into integer and then if it succeed, add it to a new object, and finally, discard the old object and use the new one — tsamridh86
– tsamridh86, Commented Jul 8, 2021 at 9:22

Andy · Accepted Answer · 2021-07-08 09:32:34Z

1

The simplest method - if you're happy with mutating the object rather than creating a new one - is to iterate over the object properties, and try to coerce each value to a number. If it's not a number remove the property.

const data = { DeviceID: '101', ManufacturerID: '9', ManufacturerName: "Toshiba", 'Device Name': 'Toshiba - Tecra R950', Price: '200' };

for (let key in data) {
  if (!Number(data[key])) delete data[key];
}

console.log(data);

answered Jul 8, 2021 at 9:32

Andy

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1 Comment

Sajeeb Ahamed Over a year ago

Nice approach, Like it.

Sajeeb Ahamed · Accepted Answer · 2021-07-08 09:24:53Z

0

You can do it like this-

const data = {DeviceID: "101", ManufacturerID: "9", ManufacturerName: "Toshiba", DeviceName: "Toshiba - Tecra R950", Price: "200"};
const res = Object.fromEntries(
  Object.entries(data).filter(([key, value]) => !isNaN(Number(value)))
);
console.log(res);

answered Jul 8, 2021 at 9:24

Sajeeb Ahamed

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Comments

Kasia · Accepted Answer · 2021-07-08 09:28:02Z

0

Object.entries().filter(([key,value]) => !Number.isNaN(Number.parseInt(value))

answered Jul 8, 2021 at 9:28

Kasia

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