JS_常用方法_一段用于DEBUG的代码

//调试级别
var DebugLevel = {Info:1,Warning:2,Error:3,Off:4};
var Debug = {
level:DebugLevel.Info, //调试等级
//_output:alert,         //输入方法,可改为document.write(IE only)
_output:function(x){alert(x);},         //输入方法,可为document.write
//watch method,监视对象属性值
_watch:function(obj,property){
var ret = [];
if(!(obj instanceof Object)){
ret.push(obj);
}
else if(property)
ret.push(property + ":" + obj[property]);
else
for(var each in obj){
ret.push(each+":"+obj[each]);
}
return ret;

},
Output:function(level,args){
for(var i=0;i<args.length;i++){
if(Debug.level<=level){
Debug._output("level " +level + " : " +Debug._watch(args[i]));
}
}

},
Info:function(){
Debug.Output(DebugLevel.Info,arguments);
},
Warning:function(){
Debug.Output(DebugLevel.Warning,arguments);
},
Error:function(){
Debug.Output(DebugLevel.Error,arguments);
}
}
//
Debug.level = DebugLevel.Info;
Debug.Info("test");

var o1 = {
"a":1,
"b":2,
"c":3
};
Debug.Warning(o1);