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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
/
String
/
prototype
/
startsWith
/
polyfill.js
6 lines
(4 loc)
•
157 B
JavaScript
View Raw
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String
.
prototype
.
startsWith
=
function
(
string
) {
var
index =
arguments
.
length
<
2
?
0
:
arguments
[
1
];
return
this
.
slice
(index).
indexOf
(
string
) ===
0
; };