https://docs.vultr.com/javascr....ipt/standard-library
In JavaScript, the indexOf() method is used to find the first occurrence of a specified element in an array. It returns the index of the first occurrence of the element, or -1 if the element is not found.
Syntax:
javascript
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array.indexOf(element, start)
element: The item to search for in the array.
start (optional): The position in the array to start the search. The default is 0.
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