JSFiddle - React, Tailwind, and code Playground

JavaScript

var age = {};
age.a = 5;
age.b =10;
age.c = 4;

var min = Infinity, name;

for(var x in age) {
	if( age[x] < min) {
		min = age[x];
		name = x;
	} 
}

console.log ( 'property name is ' + name + ' and value is ' + min );