Hide certain values in output from JSON.stringify()

Question

Is it possible to exclude certain fields from being included in the json string?

Here is some pseudo code

var x = {
    x:0,
    y:0,
    divID:\"xyz         


        

Answer 1

You can use native function defineProperty from Object:

var data = {a: 10};
Object.defineProperty(data, 'transient', {value: 'static', writable: true});
data.transient = 'dasda';
console.log(JSON.stringify(data)); //{"a":10}