在Webkit浏览器中访问“背景图像” css属性

.file-type-pdf {
    background-image: url(\"file-type-pdf.png\");
}

var style = YAHOO.util.Dom.getStyle(el, \'background-image\');
console.log(style);

YAHOO.util.Dom.setStyle(el, \'background-image\', \'url(\"foo.jpg\")\');
var style = YAHOO.util.Dom.getStyle(el, \'background-image\');
console.log(style);

var style = window.getComputedStyle(el, null) || el.currentStyle;
console.log(style.backgroundImage);

var logo = document.getElementById(\"hlogo\").childNodes[1];
getComputedStyle(logo).getPropertyValue(\'background-image\');

$(\"#hlogo a\").css(\"backgroundImage\")`

// You have to load YUI first.
var logo = document.getElementById(\"hlogo\").childNodes[1];
YAHOO.util.Dom.getStyle(logo, \'background-image\');

\"url(http://cdn.sstatic.net/stackoverflow/img/sprites.png?v=3)\"