兼容 console 没删除引起 低级浏览器 报错问题

/*重写connsole.log,防止调试代码出错*/
if (!window.console){
var names = ["log", "debug", "info", "warn", "error", "assert", "dir", "dirxml",
"group", "groupEnd", "time", "timeEnd", "count", "trace", "profile", "profileEnd"];

window.console = (typeof window.loadFirebugConsole == 'function') ? window.loadFirebugConsole() : {};
for (var i = 0; i < names.length; ++i){
window.console[names[i]] = function() {};
}
}