1033031 - console.log doesn't create a snapshot of objects and arrays

Status: RESOLVED DUPLICATE of bug 754861

(DevTools :: Console, defect)

Description

[Cork]

Attachment: testcase

When an object is changed after it's been given to console.log but before the event loop happens, console.log outputs the new value instead of what was originally given to console.log.

STR:
 1. Open console
 2. Open testase

The json output and the Object output should be the same, but it outputs:
"["test","test2"]" Array [ "test", "test6969" ]
"["test","test6969"]" Array [ "test", "test6969" ]
"{"test":"test","test2":"test2"}" Object { test: "test", test2: "test200" }
"{"test":"test","test2":"test6969"}" Object { test: "test", test2: "test200" }
"{"test":"test","test2":"test9696"}" Object { test: "test", test2: "test200" }
"{"test":"test","test2":"test5"}" Object { test: "test", test2: "test200" }
"{"test":"test","test2":"test100"}" Object { test: "test", test2: "test200" }
"{"test":"test","test2":"test200"}" Object { test: "test", test2: "test200" }
"{"test":"test","test2":"test300"}" Object { test: "test", test2: "test400" }
"{"test":"test","test2":"test400"}" Object { test: "test", test2: "test400" }

Comment 1

[Panos Astithas (he/him) [:past] (please ni?)]

There is detailed discussion about this in bug 754861.