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JavaScript dataView.getUint32() Method

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The dataView.getUint32() is an inbuilt function in dataView that is used to get an unsigned 32-bit integer at the specified location i.e, at byte offset from the start of the dataView. 

Syntax:  

dataView.getUint32(byteOffset)

Parameters: It has the parameter byteOffset which is offset in byte i.e. from the start of the view where to read the data.

Return value: It returns an unsigned 32-bit integer.

Below are examples of the dataView.setUint32() Method.

Example 1:  

javascript

var buffer = new ArrayBuffer(20);
 
var dataview1 = new DataView(buffer, 0, 10);
 
dataview1.getUint32(1, 12);
console.log(dataview1.getUint32(1));

                    

Output:  

12

Example 2:  

javascript

// 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 at slot 1
dataview1.setUint32(1, 56);
console.log(dataview1.getUint32(1));

                    

Output:  

56

Example 3: This function converts the float value of PI from 3.14 to 3 . 

javascript

// 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.setUint32(1, Math.PI);
console.log(dataview1.getUint32(1));

                    

Output: 

3

Example  4: When there is no data to be stored, then it returns zero (0).  

javascript

// 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.setUint32(1);
console.log(dataview1.getUint32(1));

                    

Output:  

0

We have a complete list of Javascript Date Objects, to check those please go through this JavaScript dataView Complete Reference article.

Supported Browsers: 

  • Google Chrome 9 and above
  • Edge 12 and above
  • Firefox 15 and above
  • Internet Explorer 10 and above
  • Opera 12.1 and above
  • Safari 5.1 and above

We have a Cheat Sheet on Javascript where we covered all the important topics of Javascript to check those please go through Javascript Cheat Sheet-A Basic guide to JavaScript.   



Last Updated : 02 Jan, 2023
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