How do I group like data returned from an AJAX call?

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I created a list in sharepoint gathering user information. Each entry has date. Some days have many entries. My goal is to create a select menu that has the dates. When I click the menu the dates populate but they repeat. How do I return them as a single value?

I've tried to nest another for loop and an if statement.

$.ajax({
   url:url,
   method:'GET',
   headers:{ 'Accept': 'application/json; odata=verbose' },
   success: function(data){
     var dat = data.d.results;
      for (var i = 0;i < dat.length; i++){
    html+='<optionvalue='+itm.dateVal+'>'+itm.dateVal+'</option>';
       }     $('#week-selector').append(html);
   },
   error: function(e){
    console.log('error:'+e);
   }            
});

The output I am getting is:

3/3/2019
3/3/2019
3/3/2019
3/3/2019
3/6/2019
3/6/2019
3/10/2019
3/10/2019

The output I want to get is:

3/3/2019
3/6/2019
3/10/2019

You can easily write a filter function to get distinct values.

var arr = [
"3/3/2019",
"3/3/2019",
"3/3/2019",
"3/3/2019",
"3/6/2019",
"3/6/2019",
"3/10/2019",
"3/10/2019"
];


var distinctDates = arr.filter(function(val, idx, self){ return self.indexOf(val) === idx; });

console.log(distinctDates);

How can I a group jQuery AJAX queries?, What I would like to do is to group AJAX getTrack() queries by for example Or possibly retrieving all of the data via a single request (perhaps then after slightly to accept a callback function so when its ajax call completes (and note in the data that is returned from getartists OR only call getTracks when� Specifies a function to run when the first AJAX request begins: ajaxStop() Specifies a function to run when all AJAX requests have completed: ajaxSuccess() Specifies a function to run when an AJAX request completes successfully: load() Loads data from a server and puts the returned data into the selected element: serialize()

You can remove duplicate values using a Set and then converting it back to an array:

var arr = [
    "3/3/2019",
    "3/3/2019",
    "3/3/2019",
    "3/3/2019",
    "3/6/2019",
    "3/6/2019",
    "3/10/2019",
    "3/10/2019"
];

console.log(Array.from(new Set(arr)));
// ["3/3/2019", "3/6/2019", "3/10/2019"]```

output data returned from ajax call in groups?, I can get the data, but it's the onSucess/callback handler where I'd like to output the json-formatted data in groups of 4. Hope that makes sense. This is so you can use setState to update your component when the data is retrieved. Example: Using AJAX results to set local state . The component below demonstrates how to make an AJAX call in componentDidMount to populate local component state. The example API returns a JSON object like this:

var arr = ['3/3/2019', '3/3/2019', '4/4/2019']

arr.filter(function(item, i){ return arr.indexOf(item) == i;})

Ajax data source (objects), Ajax data source (objects). To try and make life easy, by default, DataTables expects arrays to be used as the data source for rows in the table. However� Ajax is a technology that allows developers to make asynchronous HTTP requests without the need for a full page refresh. To make the process less cumbersome than it would be in pure JavaScript

API, Get the latest JSON data obtained from the last Ajax request DataTables made Create a new API instance with the result set defined by the values returned from the callback function. dataSrc(). Get / set the data source for the row grouping. If by mistake user enter special character like single quote or double quote the ajax call fails due to wrong string. Use below method to call the Web service without any issue var parameter = { jewellerId: filter, locale : locale }; data: JSON.stringify(parameter)

Callbacks, Returning a value of false from this callback will abort the ajax request The dataGrouping callback is triggered whenever a data grouping event occurs, before� The end user won’t notice this since the call is made asynchronously and doesn’t refresh the browser. However, you can spot these AJAX calls using a tool like Firebug. In response to the AJAX request, the server may return XML, JSON, or HTML string data. The response data is parsed using JavaScript.

# Sending an success response else: return HttpResponse("Request method is not a GET") Once our view get created we will move to write template and jQuery to perform ajax request. 4.

Comments
  • Maybe a duplicated question of : remove-duplicate-values-from-js-array