jquery获取页面meta属性值的例子

var m = $("meta[property=og:url]");

alert(m.attr("content"));

var fbAppIdContent = "";
for (var i = 0; i < metaTags.length; i++) {
if (metaTags[i].getAttribute("property") == "og:url") {
fbAppIdContent = metaTags[i].getAttribute("content");
break;
}
}

console.log(fbAppIdContent);