Difference between revisions of "IndexOf"
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| − | <c>indexOf</c> returns index or key of the given value, or if not found. | + | <c>indexOf</c> returns index or key of the given value, or [[null]] if not found. |
=== Arguments === | === Arguments === | ||
Latest revision as of 15:20, 27 May 2022
indexOf returns index or key of the given value, or null if not found.
Arguments
| Parameter Name | Default Value | Meaning |
|---|---|---|
| self | string, list, or map | object to search |
| value | any | value to search for |
| after | any, optional | if given, starts the search after this index |
Examples
"Hello World".indexOf("o") // returns 4
"Hello World".indexOf("o", 4) // returns 7
"Hello World".indexOf("o", 7) // returns null
