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JavaScript TypedArray indexOf() Method

JavaScript TypedArray indexOf() Method with example, join() method, javascript typedarray methods, keys() method, indexOf() method, includes() method, forEach() method, entries(), every(), find(), filter(), copyWithin() method etc.

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JavaScript TypedArray indexOf() Method

The JavaScript indexof() Method is used to find the index of the element provided as the argument to the function.

  • The indexof() method is case sensitive.

Syntax:

Array.indexof(value, start)

Parameters:

Value: Value to be search in the index.

Start: Default 0. At which position to start the search.

Return value:

It returns the index of the search element. If the element cannot to be found in the array, this method returns -1.

Browser Support:

Chrome Yes
Edge Yes
Firefox Yes
Opera Yes

Example 1

JavaScript TypedArray indexOf() Method

<script type="text/javascript">
// JavaScript to illustrate indexOf() method
  function JavaTpoint() {
    var array = [2,3,5,4,6,7,8,9,12];
 
    document.write(array.indexOf(6, 5));
}
JavaTpoint();
// expected output: arr[Output:-1]
</script>
Test it Now

Output:

-1

Example 2

JavaScript TypedArray indexOf() Method

<script type="text/javascript">
// JavaScript to illustrate indexOf() method
  function JavaTpoint() {
    var array = [2,3,5,4,6,7,8,9,12];
 
    document.write(array.indexOf(6, 2));
}
JavaTpoint();
// expected output: arr[Output:4]
</script>
Test it Now

Output:

4

Next TopicJavaScript TypedArray Object




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