javascript仿php的print_r函数输出json数据

//theOb（json数据） 
function print_r(theObj) { 
var retStr = ''; 
if (typeof theObj == 'object') { 
retStr += '<div style="font-family:Tahoma; font-size:7pt;">'; 
for (var p in theObj) { 
if (typeof theObj[p] == 'object') { 
retStr += '<div><b>['+p+'] => ' + typeof(theObj) + '</b></div>'; 
retStr += '<div style="padding-left:25px;">' + print_r(theObj[p]) + '</div>'; 
} else { 
retStr += '<div>['+p+'] => <b>' + theObj[p] + '</b></div>'; 
} 
} 
retStr += '</div>'; 
} 
return retStr; 
}