JavaScript | arrayBuffer.byteLength
The arrayBuffer.byteLength is a property in JavaScript which gives the length of an arrayBuffer in bytes.
Syntax:
ArrayBuffer.byteLength
Parameters: It doesn’t accept any parameter because arrayBuffer.byteLength is a property not a function.
Return Value: It returns the length of an arrayBuffer in bytes.
Code #1:
<script> // Creation of arrayBuffer of size 5 bytes var A = new ArrayBuffer(5); // Using property byteLength var bytes1 = A.byteLength; // Printing the lengths of the ArrayBuffer document.write(bytes1); </script> |
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Output:
5
If length of arrayBuffer is given in fraction, it returns length in whole number and when length is given in the form of string then it returns length of zero (0).
Code #1:
<script> // Creation of arrayBuffer of sizes 5.6 var A = new ArrayBuffer(5.6); // Using property byteLength var bytes1 = A.byteLength; // Printing the length of the ArrayBuffer document.write(bytes1); </script> |
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Output:
5
Code #2:
<script> // Creation of arrayBuffers of sizes "a" bytes var A = new ArrayBuffer("a"); // Using property byteLength var bytes1 = A.byteLength; // Printing the length of the ArrayBuffer document.write(bytes1); </script> |
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Output:
0
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