DataView.getInt32() function in JavaScript



The getInt32() function of the DataView gets and returns a signed 32-bit integer at the specified position.

Syntax

Its syntax is as follows

dataView.getInt32();

Example

 Live Demo

<html>
<head>
   <title>JavaScript Example</title>
</head>
<body>
   <script type="text/javascript">
      var arrayBuffer = new ArrayBuffer(20);
      var dataView = new DataView(arrayBuffer);
      dataView.setInt32(1, 36274722);
      document.write(dataView.getInt32(1));
   </script>
</body>
</html>

Output

36274722

Example

To this function you cannot pass float value, if you try to do so it is considered as integer value.

 Live Demo

<html>
<head>
   <title>JavaScript Example</title>
</head>
<body>
   <script type="text/javascript">
      var arrayBuffer = new ArrayBuffer(20);
      var dataView = new DataView(arrayBuffer);
      dataView.setInt32(1, 554.36);
      document.write(dataView.getInt32(1));
   </script>
</body>
</html>

Output

554

Example

If nothing is stored in the dataview and if you still, try to get data, this function will return 0.

 Live Demo

<html>
<head>
   <title>JavaScript Example</title>
</head>
<body>
   <script type="text/javascript">
      var arrayBuffer = new ArrayBuffer(20);
      var dataView = new DataView(arrayBuffer);
      dataView.setInt32(1);
      document.write(dataView.getInt32(1));
   </script>
</body>
</html>

Output

0
karthikeya Boyini
karthikeya Boyini

I love programming (: That's all I know


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