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Coerce indexOf fromIndex parameter to integer (#4410)

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This commit is contained in:
Luiz Américo
2019-08-16 14:56:41 -03:00
committed by John-David Dalton
parent 4f68e93a43
commit ff4949b8c2
1 changed files with 2 additions and 1 deletions
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3
indexOf.js
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@@ -1,4 +1,5 @@
import baseIndexOf from './.internal/baseIndexOf.js'
import toInteger from './toInteger.js'
/**
* Gets the index at which the first occurrence of `value` is found in `array`
@@ -26,7 +27,7 @@ function indexOf(array, value, fromIndex) {
if (!length) {
return -1
}
let index = fromIndex == null ? 0 : +fromIndex
let index = fromIndex == null ? 0 : toInteger(fromIndex)
if (index < 0) {
index = Math.max(length + index, 0)
}