Array.indexOf(item) Last updated: 24. Jan 2023
Finds and returns index of specified item in an array.
Parameters
| Name | Type | Description |
|---|---|---|
| item | object | Item to search for in array. |
Returns
A number of the index (zero-indexed), -1 if item was not found.
Example
Data
{
"items" : [1, 2, 3]
}Code example (#JS)
#JS is mixed HTML (or other text file) with inline JavaScript with # starting and ending each inline statement.Index of the number 3 is 2:
Test result: #items.indexOf(3)#Output
The #JS code above produces the output shown below:Index of the number 3 is 2:
Test result: 2