Bug Tracker


Ticket #10158 (closed feature: worksforme)

Opened 3 years ago

Last modified 3 years ago

Extend only existing properties

Reported by: anonymous Owned by:
Priority: low Milestone: None
Component: core Version: 1.6.2
Keywords: Cc:
Blocking: Blocked by:


var object1 = {
  apple: 0,
  banana: {weight: 52, price: 100},
  cherry: 97
var object2 = {
  banana: {price: 200},
  durian: 100

/* merge object2 into object1 */
$.extend(object1, object2, true);

// Output (no durian!):
// { apple: 0, banana: { price: 200 }, cherry: 97 }

Change History

comment:1 Changed 3 years ago by rwaldron

  • Priority changed from undecided to low
  • Resolution set to worksforme
  • Status changed from new to closed
  • Component changed from unfiled to core

Works for me:  http://gyazo.com/c87038f3f474289a7947f7410a622975.png


If you're trying to tell us that you don't want the durian property, then you've misunderstood the semantics of extend

Please follow the  bug reporting guidlines and use  jsFiddle when providing test cases and demonstrations instead of pasting the code in the ticket.


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