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authorGuillermo Iguaran <guilleiguaran@gmail.com>2017-12-28 00:01:42 -0500
committerGitHub <noreply@github.com>2017-12-28 00:01:42 -0500
commite525107108955b5b812825fc3c8c3aec9e1364d2 (patch)
treebcbf212b24a3505a09922fc19298880f08d3aa43 /actionview
parent41c8e41ff16b629ca520ccc3d098b440fa6df1ef (diff)
parent049a3374aa85f33091f0e7cba8635edd4b4786bd (diff)
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Merge pull request #31574 from Fudoshiki/patch-1
Fix IE 10 and IE 11's broken `preventDefault` for rails-ujs
Diffstat (limited to 'actionview')
-rw-r--r--actionview/app/assets/javascripts/rails-ujs/utils/event.coffee5
1 files changed, 5 insertions, 0 deletions
diff --git a/actionview/app/assets/javascripts/rails-ujs/utils/event.coffee b/actionview/app/assets/javascripts/rails-ujs/utils/event.coffee
index a2135c9851..c8fbc64b51 100644
--- a/actionview/app/assets/javascripts/rails-ujs/utils/event.coffee
+++ b/actionview/app/assets/javascripts/rails-ujs/utils/event.coffee
@@ -10,6 +10,11 @@ if typeof CustomEvent isnt 'function'
CustomEvent = (event, params) ->
evt = document.createEvent('CustomEvent')
evt.initCustomEvent(event, params.bubbles, params.cancelable, params.detail)
+ # IE does not set `defaultPrevented` when `preventDefault()` is called on CustomEvents
+ # http://stackoverflow.com/questions/23349191/event-preventdefault-is-not-working-in-ie-11-for-custom-events
+ evt.preventDefault = ->
+ Object.defineProperty this, 'defaultPrevented', get: ->
+ true
evt
CustomEvent.prototype = window.Event.prototype