无限debugger反调试

1.

var _constructor = Function.prototype.constructor;

Function.prototype.constructor = function(data){
    if("debugger" == data){
        return null;
    }
    return _constructor(data);
}
var _constructor = Function.prototype.constructor;

Function.prototype.constructor = function(data){
    if("debugger" == data){
        return null;
    }
    return _constructor(data);
}