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Showing content from https://webplatform.github.io/docs/javascript/Int32Array below:

Int32Array · WebPlatform Docs

A typed array of 32-bit integer values. The contents are initialized to 0. If the requested number of bytes could not be allocated an exception is raised.

int32Array = new Int32Array( length );

int32Array = new Int32Array( array );

int32Array = new Int32Array( buffer , byteOffset , length );

int32Array

Required. The variable name to which the Int32Array object is assigned.

length

Specifies the length (in bytes) of the array.

array

The array (or typed array) that is contained in this array… The contents are initialized to the contents of the given array or typed array, with each element converted to the Int32 type.

buffer

The ArrayBuffer that the Int32Array represents.

byteOffset

Optional. Specifies the offset in bytes from the start of the buffer at which the Int32Array should begin.

length

The length of the array.

The following example shows how to use an Int32Array object to process the binary data acquired from an XmlHttpRequest:

var req = new XMLHttpRequest();
     req.open('GET', "http://www.example.com");
     req.responseType = "arraybuffer";
     req.send();

     req.onreadystatechange = function () {
         if (req.readyState === 4) {
             var buffer = req.response;
             var dataview = new DataView(buffer);
             var ints = new Int32Array(buffer.byteLength / 4);
             for (var i = 0; i < ints.length; i++) {
                 ints[i] = dataview.getInt32(i * 4);
             }
         alert(ints[10]);
         }
     }

The following table lists the constants of the Int32Array object.

The following table lists the constants of the Int32Array object.

The following table lists the methods of the Int32Array object.

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