Fast way to get the min/max values among properties of object

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Update: Modern version (ES6+)

let obj = { a: 4, b: 0.5 , c: 0.35, d: 5 };

let arr = Object.values(obj);
let min = Math.min(...arr);
let max = Math.max(...arr);

console.log( `Min value: ${min}, max value: ${max}` );

Original Answer:

Try this:

let obj = { a: 4, b: 0.5 , c: 0.35, d: 5 };
var arr = Object.keys( obj ).map(function ( key ) { return obj[key]; });

and then:

var min = Math.min.apply( null, arr );
var max = Math.max.apply( null, arr );

Live demo: http://jsfiddle.net/7GCu7/1/

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