javascript - jquery ajax post list appends '[]' to querydict in django - Stack Overflow

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I am working on a Django project and I am sending a post request via Jquery's ajax method. The csrftoken has been retrieved from the browsers cookie with javascript.

$.ajax({    
    type : 'POST', 
    beforeSend: function( xhr, settings){
        xhr.setRequestHeader("X-CSRFToken", csrftoken ); 
    },  
    url : '/endpoint/',
    data : { 'requestParam': [1,2,3,4] }
}).done(function(d) {
    callback(d);
});

Then I check what the backend receives via the ajax call;

print( request.POST )

I was expecting this;

<QueryDict: {u'requestParam': [u'1', u'2', u'3', u'4']}>

Instead I get this;

<QueryDict: {u'requestParam[]': [u'1', u'2', u'3', u'4']}>

Which seems odd. Where did the '[]' extra in the key name e from? Is this a convention that is handled this way in Django or is this something that AJAX does when sending lists?

I am working on a Django project and I am sending a post request via Jquery's ajax method. The csrftoken has been retrieved from the browsers cookie with javascript.

$.ajax({    
    type : 'POST', 
    beforeSend: function( xhr, settings){
        xhr.setRequestHeader("X-CSRFToken", csrftoken ); 
    },  
    url : '/endpoint/',
    data : { 'requestParam': [1,2,3,4] }
}).done(function(d) {
    callback(d);
});

Then I check what the backend receives via the ajax call;

print( request.POST )

I was expecting this;

<QueryDict: {u'requestParam': [u'1', u'2', u'3', u'4']}>

Instead I get this;

<QueryDict: {u'requestParam[]': [u'1', u'2', u'3', u'4']}>

Which seems odd. Where did the '[]' extra in the key name e from? Is this a convention that is handled this way in Django or is this something that AJAX does when sending lists?

• javascript
• jquery
• python
• ajax
• django

Share Improve this question Follow asked Jan 9, 2014 at 9:46 cantdutchthiscantdutchthis 34.7k1717 gold badges7777 silver badges116116 bronze badges

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1 Answer 1

Sorted by: Reset to default 13

This is jQuery believing that everyone in the world uses PHP.

Add traditional: true to your ajax object.

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