how to sort dictionary object based on values in d3.js?

Question

I m having object like

 var data ={ "a":10,"b":12,"c":34,"d":78 } 

how to sort this dictionary object based on values in javascript

I need output like

 data ={"d":78,"c":34,"b":12,"a":10,} 

Answer 1

Order of properties in objects in not guaranteed but you can create array of keys with Object.keys() and sort it by values of object.

 var data ={ "a":10,"b":12,"c":34,"d":78 } var result = Object.keys(data).sort(function(a, b) { return data[b] - data[a]; }) console.log(result)