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I currently have the following in my Javascript code where Id is a field of an object:

this.recId = event.detail.row.Id;

I want to make the Id part generic something like

String a = 'Id';
this.recId = event.detail.row.a;

How do I achieve this in Javascipt

about 4 years ago · Juan Pablo Isaza

You can use this.recId = event.detail.row[a] to get the desired result

about 4 years ago · Juan Pablo Isaza Report

Answer question

Accepted Answer · 2022-07-10T11:11:30.852Z

Use [ ] instead.

const obj = {
  id: "myObject"
}

const a = "id"

console.log(obj[a]);

In your example, it would be

this.recId = event.detail.row[a];