用js實(shí)現(xiàn)fadeout有些看不懂,求知道.function?fadeout(ele,?opacity,?speed)?{
????if?(ele)?{
????????var?v?=?ele.style.filter.replace("alpha(opacity=",?"").replace(")",?"")?||?ele.style.opacity?||?100;
????????v?<?1?&&?(v?=?v?*?100);
????????var?count?=?speed?/?1000;
????????var?avg?=?(100?-?opacity)?/?count;
????????var?timer?=?null;
????????timer?=?setInterval(function()?{
????????????if?(v?-?avg?>?opacity)?{
????????????????v?-=?avg;
????????????????setOpacity(ele,?v);
????????????}?else?{
????????????????clearInterval(timer);
????????????}
????????},?500);
????}
}
求詳解js代碼.
熠熠生陽(yáng)
2016-02-11 19:12:27
