JSFiddle - React, Tailwind, and code Playground

by alexbfree

JavaScript

var data = { 'lion':21,'tiger':37,'fish':249 };
for (var maxKey in data) 
    break;
for (var k in data) {
    if (data.hasOwnProperty(k)) {
        if (data[k]>data[maxKey])
        {
             maxKey = k;
        }    
    }
}
console.log(maxKey);