JSFiddle - React, Tailwind, and code Playground

JavaScript

var arr =[
	{
  	"uid": "1",
    "name": "John Doe"
  },
  {
  	"uid": "2",
    "name": "Kate Roe"
  }
];

var newArr = arr.filter(function(e) {
	return e["uid"] == 1;
});

alert(newArr["name"]);