有没有办法在jqplot中将背景属性设置为渐变颜色？例如
$.jqplot(divId, data, {
grid: {
background: "-webkit-gradient(left top, right top, color-stop(0%, rgba(73,155,234,1)), color-stop(40%, rgba(73,155,234,1)), color-stop(57%, rgba(32,124,229,1)), color-stop(100%, rgba(32,124,229,1)))",
}， }