JavaScript DataView.getUint32() method

The JavaScript DataView.getUint32() is an inbuilt method in dataView. It is used to get a unsigned 32-bit integer(unsigned long) number at a specified location.

Syntax

Parameters

byteoffset: The offset, in a byte, from the start of the view where to read the data.

Return value

This method returns an unsigned 32-bit integer number.

Browser Support

Chrome	9
Safari	5.1
Firefox	15
Opera	12.1

Example 1

<script>
//JavaScript to illustrate dataview.getUint32() method
// creating a ArrayBuffer 
var JavaTpoint = new ArrayBuffer(10);
// creating a view
var arr = new DataView(JavaTpoint);
// put the value 234.2 at slot 1
arr.setUint32(1,234.1);
document.write("Convert the value 234.2 to:<br><br>");
document.write(arr.getUint32(1));
//expected output: 234
</script>

Test it Now

Output:

Convert the value 234.2 to:

234

Example 2

<script>
//JavaScript to illustrate dataview.getUint32() method
// if there is no data to be stored then it returns Nan
// creating a ArrayBuffer 
var JavaTpoint = new ArrayBuffer(10);
// creating a view
var arr = new DataView(JavaTpoint);
// NO Data
arr.setUint32(1);
document.write(" If there is no data to be stored, then Output will Be:<br><br>")
document.write(arr.getUint32(1));
//expected output: 0
</script>

Test it Now

Output:

If there is no data to be stored, then Output will Be:

0

Example 3

<script>
//JavaScript to illustrate dataview.getUint32() method
// creating a ArrayBuffer 
var JavaTpoint = new ArrayBuffer(10);
// creating a view
var arr = new DataView(JavaTpoint);
//We can also use math function like Math.PI
arr.setUint32(1,Math.PI);
document.write("Convert the PI value 3.14 to:<br><br>");
document.write(arr.getUint32(1));
//expected output: 3
</script>

Test it Now

Output:

Convert the PI value 3.14 to:

3

Example 4

<script>
//JavaScript to illustrate dataview.getUint32() method
// creating a ArrayBuffer 
var JavaTpoint = new ArrayBuffer(8);
// creating a view
var arr = new DataView(JavaTpoint);
// put the value 123 at slot 1
arr.setUint32(1,123);
document.write("If we give an Integer value then Output will  be Integer<br><br>");
document.write(arr.getUint32(1));
//expected output: 123
</script>

Test it Now

Output:

If we give an Integer value then Output will be Integer

123

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