Performance of bitwise operators in javascript

Question

One of the main ideas behind using bitwise operators in languages like C++/java/C# is that they\'re extremely fast. But I\'ve heard that in javascript they\'re very slow (ad

Answer 1

When speed is paramount, you can use them for bit-masking: http://snook.ca/archives/javascript/storing_values/

Also, if you need to support Netscape 4, you'd use them to deal with Document.captureEvents(). Not that any respectable company would have you write JS for NS4...