use for loop instead of jQuery.each in getWH()

src/css.js

@@ -327,20 +327,22 @@ function getWH( elem, name, extra ) {

	// Start with offset property
	var val = name === "width" ? elem.offsetWidth : elem.offsetHeight,
		which = name === "width" ? cssWidth : cssHeight;
		which = name === "width" ? cssWidth : cssHeight,
		i = 0,
		len = which.length;

	if ( val > 0 ) {
		if ( extra !== "border" ) {
			jQuery.each( which, function() {
			for ( ; i < len; i++ ) {
				if ( !extra ) {
					val -= parseFloat( jQuery.css( elem, "padding" + this ) ) || 0;
					val -= parseFloat( jQuery.css( elem, "padding" + which[ i ] ) ) || 0;
				}
				if ( extra === "margin" ) {
					val += parseFloat( jQuery.css( elem, extra + this ) ) || 0;
					val += parseFloat( jQuery.css( elem, extra + which[ i ] ) ) || 0;
				} else {
					val -= parseFloat( jQuery.css( elem, "border" + this + "Width" ) ) || 0;
					val -= parseFloat( jQuery.css( elem, "border" + which[ i ] + "Width" ) ) || 0;
				}
			});
			}
		}

		return val + "px";
@@ -356,15 +358,15 @@ function getWH( elem, name, extra ) {

	// Add padding, border, margin
	if ( extra ) {
		jQuery.each( which, function() {
			val += parseFloat( jQuery.css( elem, "padding" + this ) ) || 0;
		for ( ; i < len; i++ ) {
			val += parseFloat( jQuery.css( elem, "padding" + which[ i ] ) ) || 0;
			if ( extra !== "padding" ) {
				val += parseFloat( jQuery.css( elem, "border" + this + "Width" ) ) || 0;
				val += parseFloat( jQuery.css( elem, "border" + which[ i ] + "Width" ) ) || 0;
			}
			if ( extra === "margin" ) {
				val += parseFloat( jQuery.css( elem, extra + this ) ) || 0;
				val += parseFloat( jQuery.css( elem, extra + which[ i ] ) ) || 0;
			}
		});
		}
	}

	return val + "px";