JS Percorrer Objeto
var obj = {
"column01": "Coluna 01",
"column02": "Coluna 02"
}
Object.keys(obj).forEach(function(item){
console.log(item + " = " + obj[item])
})
for (var property in obj){
console.log(property + " = " + obj[property]);
}
Cipriano98