I can't access to my object's array's values for some reason

Question

I have an object, and I want to log the values array but when I do so, the array is empty. Why is that?

var data = {"values" : []};
 Papa.parse('data.csv', {
 header: true,
 download: true,
 newline: "\n",
 quoteChar : '',
 escapeChar : '',
 chunk: function(results) {
 data.values.push(results.data);
 },
});
console.log(data);
console.log(data.values.length); // 0
console.log(data.values[0]); // undefined

• CertainPerformance: You do not have a JSON there. You have an object. JSON is a method of formatting a string to represent an object.
• CertainPerformance: Post the (fuller, reproducible) code in question. Sounds like you're not waiting for the object to be populated before you're trying to log it.
• Florent Durécu: thanks for the reply : I already get that "data" is an object and not a String, maybe i'm wasn't exact when i talked about it
• user3978398: What point in the script are you invoking console.log(); ?
• Florent Durécu: it's just to know what happened actually, it wont be there when my work will be over

Answer 1

Papa.parse is asynchronous; currently, you're logging the data only after you've send the command to parse the CSV, but the response hasn't come back yet; the callback hasn't triggered. you need to add a complete handler as described in the docs.

Papa.parse('data.csv', {
 header: true,
 download: true,
 newline: "\n",
 quoteChar : '',
 escapeChar : '',
 chunk: function(results) {
 data.values.push(results.data);
 },
 complete: function() {
 console.log('done');
 console.log(data.values[0]);
 }
});

• Florent Durécu: You are my savior buddy, that was totally that problem, didn't think of that.