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TypedArray.findIndex() function in JavaScript
The find() function of TypedArray accepts a string value representing the name of a function, tests whether the elements in the array passes the test implemented by the provided function, if so, returns the index of the first element which passes the test else, returns -1.
Syntax
Its Syntax is as follows
typedArray.findIndex(function_name)
Example
<html>
<head>
<title>JavaScript Array every Method</title>
</head>
<body>
<script type="text/javascript">
var int32View = new Int32Array([21, 19, 65,21, 14, 66, 87, 55 ]);
document.write("Contents of the typed array: "+int32View);
document.write("<br>");
function testResult(element, index, array) {
var ele = element>35
return ele;
}
result = int32View.findIndex(testResult);
document.write("Result: "+result);
</script>
</body>
</html>Output
Contents of the typed array: 21,19,65,21,14,66,87,55 Result: 2
Example
<html>
<head>
<title>JavaScript Array every Method</title>
</head>
<body>
<script type="text/javascript">
var int32View = new Int32Array([21, 19, 65,21, 14, 66, 87, 55 ]);
document.write("Contents of the typed array: "+int32View);
document.write("<br>");
function testResult(element, index, array) {
var ele = element>100
return ele;
}
result = int32View.findIndex(testResult);
document.write("Result: "+result);
</script>
</body>
</html>Output
Contents of the typed array: 21,19,65,21,14,66,87,55 Result: -1
Updated on: 25-Jun-2020
12 Views
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