Item in object has two value need the second value jquery -

i have object has 2 value "384-768" how can second value of items. if item has 2 value highest 1 if 1 return 1 only. how object?

you can second value using split (it splits strings array separating string passed argument)

"384-768".split('-')[1] 

and find in loop maximal element (after converting integer parseint)