jQuery:unbind方法的使用详解

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

var a = document.getElementById('a');
a.addEventListener(a,function(){},false);
a.onclick = function(){}

 //解绑所有a上的click事件
  $('a').unbind('click');
  //解绑a上的所有mouseover以及mouseoverout事件
  $('a').unbind('mouseover mouseout');

  $('a').unbind('click.myspace')
  $('a').unbind('mouseover.myspace,mouseout.myspace)

function handler(){
  alert('hello');
}
$('a').bind('click',handler);
$('a').unbind('click',handler);

 $('a').unbind({
    mouseover: mouseoverHandler,
    mouseout: mouseoutHandler
  });

$('a').click(function(event){
    if(条件满足){
      $('a').unbind(event);
    }
  });