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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
/
Array
/
prototype
/
keys
/
polyfill.js
7 lines
(6 loc)
•
145 B
JavaScript
View Raw
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/* global ArrayIterator*/
Object
.
defineProperty
(
Array
.
prototype
,
'keys'
, {
value
:
function
(
) {
return
new
ArrayIterator
(
this
,
'key'
); } });