[25/47] incubator-weex git commit: * [html5] bugfix: appear only trigger once when there's no disappear handler bound.

* [html5] bugfix: appear only trigger once when there's no disappear handler bound. Project: http://git-wip-us.apache.org/repos/asf/incubator-weex/repo Commit: http://git-wip-us.apache.org/repos/asf/incubator-weex/commit/ec5b7914 Tree: http://git-wip-us.apache.org/repos/asf/incubator-weex/tree/e

[25/47] incubator-weex git commit: * [html5] bugfix: appear only trigger once when there's no disappear handler bound.

* [html5] bugfix: appear only trigger once when there's no disappear handler bound. Project: http://git-wip-us.apache.org/repos/asf/incubator-weex/repo Commit: http://git-wip-us.apache.org/repos/asf/incubator-weex/commit/ec5b7914 Tree: http://git-wip-us.apache.org/repos/asf/incubator-weex/tree/e