unbind with added spaces unbinds everything, not just the namespaced events.

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Test code: $(window).unbind(); $(window).bind('click', function () {

console.log('test')

}); $(window).bind('click.test1', function () {

console.log('test ns 1')

}); $(window).bind('click.test2', function () {

console.log('test ns 2')

}); $(window).unbind('click.test1 click.test2');

You'd expect this to still console log 'test' but it doesn't, because there's an extra space in the unbind. This worked in jQuery 1.6

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​http://jsfiddle.net/MbLnK/ (sorry, should've read the guidelines first!)

[sindresorhus]

Even though it worked in 1.6 doesn't necessarily mean it's an regression.

.on() docs:

One or more space-separated event types...

This usually means one space separator. I can't think of any reason you'd want to use more than one space.