The dataView.setFloat32() is an inbuilt function in dataView which is used to store a signed 32-bit float value at the specified location i.e, at byte offset from the start of the dataView.
Syntax:
dataView.setFloat32(byteOffset)
Parameters: It has parameter byteOffset which is offset in byte and it says from the start of the view where to read the data.
Return value: This function does not return anything.
Code #1:
<script> // Creating buffer with size in byte var buffer = new ArrayBuffer(20); // Creating a view var dataview1 = new DataView(buffer, 0, 10); // put the data 56.24 at slot 1 dataview1.setFloat32(1, 56.24); document.write(dataview1.getFloat32(1)); </script> |
Output:
56.2400016784668
Code #2:
Below code set the value of PI as Math.PI and gives output as the the value of PI.
<script> // Creating buffer with size in byte var buffer = new ArrayBuffer(20); // Creating a view with slot from o to 10 var dataview1 = new DataView(buffer, 0, 10); // put the value of PI at slot 1 dataview1.setFloat32(1, Math.PI); document.write(dataview1.getFloat32(1) + "<br>"); </script> |
Output:
3.1415927410125732
Code #3:
When nothing as data is used to store then it gives output as NaN i.e, not a number.
<script> // Creating buffer with size in byte var buffer = new ArrayBuffer(20); // Creating a view var dataview1 = new DataView(buffer, 0, 10); // putting no data at slot 1 dataview1.setFloat32(1); document.write(dataview1.getFloat32(1) + "<br>"); </script> |
Output:
NaN
This article is attributed to GeeksforGeeks.org
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