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POadding custom function to bootstrap typeahead
 

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    <p>I'm using typeahead to pull names and then updating a hidden field with the id respective to the name. In my form the name can be left blank, filling it is not a requirement.</p> <p>Is there a way to add custom error checking to the typeahead function? for instance, I start filling out the form and type/select a user, then I change my mind and want to leave it blank. by this point, the user id is already added to the hidden field, so even if i leave the name field blank, the form will be passed with the user id in it. </p> <p>I guess I can always do error checking on submit, but am curious if there is a way to add to the native api.</p> <p>my code is:</p> <pre><code>$('#name_field').typeahead({ minLength: 3, source: function (query, process){ $.get('/url/getsource', {query: query}, function (data) { names = []; map = {}; $.each(data, function (i, name) { map[name.uName] = name; names.push(name.uName); }); process(names); }); }, matcher: function (item) { if (item.toLowerCase().indexOf(this.query.trim().toLowerCase()) != -1) { return true; } }, sorter: function (items) { return items.sort(); }, highlighter: function (item) { var regex = new RegExp( '(' + this.query + ')', 'gi' ); return item.replace( regex, "&lt;strong&gt;$1&lt;/strong&gt;" ); }, updater: function (item) { selectedID = map[item].id; $('#id_field').val(selectedID); return item; } }); </code></pre> <p>I was hoping I can add something like</p> <pre><code>$('#name_field').typeahead({ myCustom: function (){ if($('#name_field').val() == ''){ $('#id_field').val(''); }, rest, of the, function }); </code></pre>
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