# isSharedArrayBuffer
> Test if a value is a [SharedArrayBuffer][mdn-sharedarraybuffer].
## Usage
```javascript
var isSharedArrayBuffer = require( '@stdlib/assert/is-sharedarraybuffer' );
```
#### isSharedArrayBuffer( value )
Tests if a value is a [`SharedArrayBuffer`][mdn-sharedarraybuffer].
```javascript
var SharedArrayBuffer = require( '@stdlib/array/shared-buffer' );
var bool;
try {
bool = isSharedArrayBuffer( new SharedArrayBuffer( 10 ) );
// returns true
} catch ( err ) {
console.log( 'Environment does not support SharedArrayBuffers.' );
}
bool = isSharedArrayBuffer( [] );
// returns false
```
## Examples
```javascript
var Float32Array = require( '@stdlib/array/float32' );
var Float64Array = require( '@stdlib/array/float64' );
var Int8Array = require( '@stdlib/array/int8' );
var Int16Array = require( '@stdlib/array/int16' );
var Int32Array = require( '@stdlib/array/int32' );
var Uint8Array = require( '@stdlib/array/uint8' );
var Uint8ClampedArray = require( '@stdlib/array/uint8c' );
var Uint16Array = require( '@stdlib/array/uint16' );
var Uint32Array = require( '@stdlib/array/uint32' );
var ArrayBuffer = require( '@stdlib/array/buffer' );
var SharedArrayBuffer = require( '@stdlib/array/shared-buffer' );
var isSharedArrayBuffer = require( '@stdlib/assert/is-sharedarraybuffer' );
var bool;
try {
bool = isSharedArrayBuffer( new SharedArrayBuffer( 10 ) );
// returns true
} catch ( err ) {
console.log( 'Environment does not support SharedArrayBuffers.' );
}
bool = isSharedArrayBuffer( new ArrayBuffer( 10 ) );
// returns false
bool = isSharedArrayBuffer( new Float32Array( 10 ) );
// returns false
bool = isSharedArrayBuffer( new Int8Array( 10 ) );
// returns false
bool = isSharedArrayBuffer( new Uint8Array( 10 ) );
// returns false
bool = isSharedArrayBuffer( new Uint8ClampedArray( 10 ) );
// returns false
bool = isSharedArrayBuffer( new Int16Array( 10 ) );
// returns false
bool = isSharedArrayBuffer( new Uint16Array( 10 ) );
// returns false
bool = isSharedArrayBuffer( new Int32Array( 10 ) );
// returns false
bool = isSharedArrayBuffer( new Uint32Array( 10 ) );
// returns false
bool = isSharedArrayBuffer( new Float64Array( 10 ) );
// returns false
bool = isSharedArrayBuffer( new Array( 10 ) );
// returns false
bool = isSharedArrayBuffer( {} );
// returns false
bool = isSharedArrayBuffer( null );
// returns false
```
[mdn-sharedarraybuffer]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/SharedArrayBuffer