IE8提示‘console’未定义错误的解决方案

在js末尾加入代码

// IE8 console.log() 未定义错误
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;
})();