[js]ie8下console.log

window.console = window.console || (function () {
    var c = {}; c.log = c.warn = c.debug = c.info = c.error = c.time = c.dir = c.profile
        = c.clear = c.exception = c.trace = c.assert = function () { };
    return c;
})();

• http://www.javashuo.com/article/p-hasfrcop-cw.html 開F12
• http://www.javashuo.com/article/p-utomjcjb-hc.html 寫詳細的window.console
• https://www.cnblogs.com/luhailin/p/6598900.html 簡單window.console