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;
}