这里返回true或false的区别是什么？

Question

$('form').submit(function() {
  alert($(this).serialize());
  return false;  // return true;
});

what's the difference for this form submission function between return false and true ?

Answer 1

如果从提交事件返回false ，则不会发生正常的页面表单POST。

Answer 2

return false , don't do the form's default action. return true , do the form's default action.

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It's also better to do

$('form').submit(function(e) {
  alert($(this).serialize());
  e.preventDefault();
});

Answer 3

As already mentioned, returning false stops the event from "bubbling up". If you want the full details, take a look at the API documentation for bind() : http://api.jquery.com/bind/ .

"Returning false from a handler is equivalent to calling both .preventDefault() and .stopPropagation() on the event object."

Answer 4

return false;  // cancel submit
return true;   // continue submit