The code copy is as follows:
var www_jb51_net = function (obj, url, title) {
var e = window.event || arguments.callee.caller.arguments[0];
var B = {
IE: /MSIE/.test(window.navigator.userAgent) && !window.opera
, FF : /Firefox/.test(window.navigator.userAgent)
, OP : !!window.opera
};
obj.onmousedown = null;
if (B.IE) {
obj.attachEvent("onmouseup", function () {
try {
window.external.AddFavorite(url, title);
window.event.returnValue = false;
} catch (exp) {}
});
} else {
if (B.FF || obj.nodeName.toLowerCase() == "a") {
obj.setAttribute("rel", "sidebar"), obj.title = title, obj.href = url;
} else if (B.OP) {
var a = document.createElement("a");
a.rel = "sidebar", a.title = title, a.href = url;
obj.parentNode.insertBefore(a, obj);
a.appendChild(obj);
a = null;
}
}
};
<a href="javascript:void(0);return false;" onMouseDown="www_jb51_net(this, '//www.VeVB.COM', 'Wulin.com is a professional website for website construction resources and script programming learning in China')">Collection of Wulin.com</a>