$(".car").animate({"left": "150%"}, 4000, "easeInElastic", function() {});
easing:格式为json,{duration:持续时间,easing:过渡效果,complete:成功后的回调函数}
$(element).animate({
height:500,
width:600
},{
easing: ‘easeInOutQuad‘,
duration: 500,
complete: function(){}
});
linear
swing
easeInQuad
easeOutQuad
easeInOutQuad
easeInCubic
easeOutCubic
easeInOutCubic
easeInQuart
easeOutQuart
easeInOutQuart
easeInQuint
easeOutQuint
easeInOutQuint
easeInExpo
easeOutExpo
easeInOutExpo
easeInSine
easeOutSine
easeInOutSine
easeInCirc
easeOutCirc
easeInOutCirc
easeInElastic
easeOutElastic
easeInOutElastic
easeInBack
easeOutBack
easeInOutBack
easeInBounce
easeOutBounce
easeInOutBounce
https://matthewlein.com/experiments/easing.html
原文：http://blog.51cto.com/13517854/2320597