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TypedArray.entries() function in JavaScript
The entries() function of TypedArray returns an iterator of the corresponding TypedArray object and using this, you can retrieve the key-value pairs of it. Where it returns the index of the array and the element in that particular index.
Syntax
Its Syntax is as follows
typedArray.entries()
Example
<html>
<head>
<title>JavaScript Example</title>
</head>
<body>
<script type="text/javascript">
var int32View = new Int32Array([21, 64, 89, 65, 33, 66, 87, 55]);
document.write("Contents of the typed array: "+int32View);
document.write("<br>");
var it = int32View.entries();
for(i=0; i<int32View.length; i++) {
document.write(it.next().value);
document.write("<br>");
}
</script>
</body>
</html>Output
Contents of the typed array: 21,64,89,65,33,66,87,55 0,21 1,64 2,89 3,65 4,33 5,66 6,87 7,55
Example
If you try to access the next element of the array when the iterator points to the end of the array you will get undefined as result.
<html>
<head>
<title>JavaScript Example</title>
</head>
<body>
<script type="text/javascript">
var int32View = new Int32Array([21, 64, 89, 65, 33, 66, 87, 55]);
document.write("Contents of the typed array: "+int32View);
document.write("<br>");
var it = int32View.entries();
for(i=0; i<int32View.length; i++) {
document.write(it.next().value);
document.write("<br>");
}
document.write(it.next().value);
</script>
</body>
</html>Output
Contents of the typed array: 21,64,89,65,33,66,87,55 0,21 1,64 2,89 3,65 4,33 5,66 6,87 7,55 undefined
Updated on: 25-Jun-2020
39 Views
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