Debug function in Javascript like var_dump in PHP

var_dump.js

/*
  Debug function for Javascript like var_dump in PHP:
*/
function var_dump(obj, indent){
	if(typeof indent == "undefined" ) indent="\n"; 
	
	objType = typeof obj;
	if(objType == "object" ){
		
		str = "Object(";
		if(Array.isArray(obj)) str = "Array(";
		Object.keys(obj).forEach(function(key, index){
			objIndent = indent+"\t";
			str += objIndent+"["+key+"]=>"+debug(obj[key], objIndent);
		});
		str += indent+")";
	}else{
		if(typeof obj == "string" ) obj = "'"+obj+"'";
		str = objType+"("+obj+")";
	}
	
	return str;
}