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How would you get a list of all the possible choices from a choice field (e.g. Task list Priority or Status fields) using javascript client object model?

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up vote 15 down vote accepted

You can get this from SP.FieldChoice.get_choices() (SPFieldChoice inherits SPFieldMultiChoice)

To get that object you need to use context.castTo to cast SP.Field to SP.FieldChoice.

// Setup context and load current web
var context = new SP.ClientContext.get_current();
var web = context.get_web();

// Get task list
var taskList = web.get_lists().getByTitle("Tasks");

// Get Priority field (choice field)
var priorityField = context.castTo(taskList.get_fields().getByInternalNameOrTitle("Priority"),

// Load the field

// Call server
context.executeQueryAsync(Function.createDelegate(this, this.onSuccessMethod),
                          Function.createDelegate(this, this.onFailureMethod));  

function onSuccessMethod(sender, args) {
    // Get string arry of possible choices (but NOT fill-in choices)
    var choices = priorityField.get_choices();
    alert("Choices: (" + choices.length + ") - " + choices.join(", "));

function onFailureMethod(sender, args) {
    alert("oh oh!");
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I didn't even know about context.castTo, this is brilliant. Thanks! – eirikb Oct 5 '12 at 14:15
The above code needs to have a context.load(priorityField); before the executeQueryAsync! Otherwise you will get a property error when doing the get_choices() – user16654 Apr 26 '13 at 16:41
You're right user16654, the code need to be used context.load(priorityField); before executeQueryAsync – tbbt Dec 18 '14 at 3:46

On SharePoint 2013, we can use the REST API. An example would be with a GET request similar to this:

/_api/web/lists/getbytitle('task')/Fields?$filter=Title eq 'Fieldname'

The request returns the field metadata. For more detail, view this link:

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