Fix error when recursively traverse an object#2686

Merged

yyx990803 merged 4 commits intovuejs:devfrom

flytreeleft:pull-request/watcher-traverse-recursive

Apr 17, 2016

Commits on Apr 17, 2016

fix 'Maximum call stack size exceeded' when recursively traverse an object
flytreeleft
committed
remove semicolon
flytreeleft
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simplify assignment expression
flytreeleft
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add unit test for circular references detected in Watcher#traverse
flytreeleft
committed