js center jQuery扩展到中心元素

jQuery Center -用于居中元素的jQuery扩展用法$ ( "#one" ) . center ( ) ; //Simply center the element within its parent element $ ( "#two" ) . center ( { vertical : false } ) ; //Center only horizontally $ ( "#three" ) . center ( { horizontal : false } ) ; //Center only vertically $ ( "#one" ) . center ( { transition : 2000 } ) ; //Animations are possible. Transition period specified in ms.