Miško Hevery 6279e50d78 perf(core): use native addEventListener for faster rendering. (#18107) ... Angular can make many assumptions about its event handlers. As a result the bookkeeping for native addEventListener is significantly cheaper than Zone's addEventLister which can't make such assumptions. This change bypasses the Zone's addEventListener if present and always uses the native addEventHandler. As a result registering event listeners is about 3 times faster. PR Close #18107		2017-07-25 15:35:44 -05:00
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ng_zone_spec.ts	perf(core): use native addEventListener for faster rendering. (#18107)	2017-07-25 15:35:44 -05:00