keyup

问题 I am confused about the various behaviors of keypress , keydown , and keyup . It seems that I have missed an important piece of documentation, one that explains the subtleties and nuances of this trio. Could someone help me to figure out which document I need to read in order to more effectively use these events? In case you want details, see below. @o.v.: you asked me to show some code, but it's not really a specific problem in the code that I'm trying to solve. I'm trying to get a handle on

问题 The way it's currently written causes the hide to fire over and over if msg.d starts returning 'false' from 'true' until enough time has passed for the animation to stop. Is there an isHiding or something? Thanks in advance! if(msg.d == "true") { if(!$("#addContactEmailError").is(":visible")) { $("#addContactEmailError").show('bounce'); } $("#addContactSubmitButton").attr("disabled", true); } else { if($("#addContactEmailError").is(":visible")) { $("#addContactEmailError").hide('slide', {