Uncaught TypeError: Cannot read property 'name' of undefined

[thdoan]

I'm seeing this error on the page below:

Uncaught TypeError: Cannot read property 'name' of undefined.

message: Uncaught TypeError: Cannot read property 'name' of undefined
fileName: http://jsperf.com/benchmark-47.js
lineNumber: 21

Source: http://jsperf.com/ways-to-strip-last-comma

[mrcoles]

this is a duplicate of #45

[mathiasbynens]

Closing in favor of #64.