elem.getClientRects().length || !elem.getBoundingClientRect().width ) ?...parseFloat( val ) && jQuery.css( elem, "display", false, styles ) === "inline" ) {
val = elem[...④ curCSS( elem, dimension, styles )
作用:
获取元素的当前属性的值
// 获取元素的当前属性的值
// elem, "position"
// elem,width...var styles = getStyles( elem ),
//true
isBorderBox = jQuery.css( elem, "boxSizing", false...styles = getStyles( elem ),
isBorderBox = jQuery.css( elem, "boxSizing", false, styles ) ==