rotate:function(callback).....這段看不懂，求指點(diǎn)？callback是什么呢？
rotate:function(callback){
reWalk();
$boy.addClass("charector boy-rotate");
//監(jiān)聽轉(zhuǎn)身完成
if(callback){
$boy.on(animationEnd,function(){
callback();$(this).off()})}
}
慕粉13482341627
2016-11-01
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2016-11-15
callback是回調(diào)函數(shù)