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August 31, 2009

How to print javascript object properties

Filed under: html,javascript — Tags: — admin @ 2:32 am

Sometime we need to print the structure data that return by a function. I was work on a task for google map and need to print object properties of Placemarks object on javascript. I need to analyze what kind of structure data return by geocoding function. The code below is a short function to print object properties in javascript

function isObject(obj) {
return obj.constructor == Object;

function print_object(object, level){
var tab = “”;
if(level > 0){
for(i = 0; i < level; i++) tab += “\t”;
var str = “”;
for(prop in object) {
if(!isObject(object[prop])) str += tab + prop + ” value :” + object[prop] + “\n”;
else str += tab + prop + “\n” + print_object(object[prop], level + 1);
return str;

and how to use this function is really simple approach

address = addresses.Placemark[0];
alert(print_object(address, 0));

in this scenario, i would like to print first placemark object return by geocoding function. Parameter level is use to make nice print view using tab character.

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