Ensure global before check

Author: kgryte

lib/node_modules/@stdlib/assert/is-arraybuffer/lib/main.js

@@ -23,6 +23,11 @@
 var nativeClass = require( '@stdlib/utils/native-class' );
 
 
+// VARIABLES //
+
+var hasArrayBuffer = ( typeof ArrayBuffer === 'function' ); // eslint-disable-line stdlib/require-globals
+
+
 // MAIN //
 
 /**
@@ -43,7 +48,7 @@ var nativeClass = require( '@stdlib/utils/native-class' );
 */
 function isArrayBuffer( value ) {
 	return (
-		( ArrayBuffer && value instanceof ArrayBuffer ) || // eslint-disable-line stdlib/require-globals
+		( hasArrayBuffer && value instanceof ArrayBuffer ) || // eslint-disable-line stdlib/require-globals
 		nativeClass( value ) === '[object ArrayBuffer]'
 	);
 }