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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
/
isArray
/
polyfill.js
10 lines
(9 loc)
•
236 B
JavaScript
View Raw
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(
function
(
toString
) {
Object
.
defineProperty
(
Array
,
'isArray'
, {
configurable
:
true
,
value
:
function
isArray
(
object
) {
return
toString.
call
(object) ===
'[object Array]'
; },
writable
:
true
}); }(
Object
.
prototype
.
toString
));