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polyfill-service
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A polyfill combinator
github.com/financial-times/polyfill-service
financial-times/polyfill-service
polyfill-service
/
polyfills
/
CustomEvent
/
detect.js
6 lines
(4 loc)
•
210 B
JavaScript
View Raw
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'CustomEvent'
in
this
&&
// In Safari, typeof CustomEvent == 'object' but it otherwise works fine
(typeof
this
.CustomEvent ===
'function'
|| (
this
.CustomEvent.toString().indexOf(
'CustomEventConstructor'
)>-
1
))