我很难调用typeahead.js函数,如val
、open
、close
等。
typeahead在输入元素上正常工作,因为它显示条目,但当我试图调用任何typeahead函数时,我会得到这个错误:
Uncaught Error: one of local, prefetch, or remote is requiredmessage: "one of local, prefetch, or remote is required
我的init代码如下:
var currentMedicalAid;
var medicalAidList = $('#medicalAidList');
var medicalAidengine = new Bloodhound({
datumTokenizer: Bloodhound.tokenizers.obj.whitespace('MedicalAid1'),
queryTokenizer: Bloodhound.tokenizers.whitespace,
limit: 5,
prefetch: {
url: '/api/Search/GetMedicalAidList',
}
});
medicalAidengine.initialize();
medicalAidList.typeahead(null, {
name: 'MedicalAid1',
displayKey: 'MedicalAid1',
// `ttAdapter` wraps the suggestion engine in an adapter that
// is compatible with the typeahead jQuery plugin
source: medicalAidengine.ttAdapter()
}).blur(function () {
match = false;
for (var i = medicalAidengine.index.datums.length - 1; i >= 0; i--) {
if ($(this).val() == medicalAidengine.index.datums[i].MedicalAid1) {
currentMedicalAid = medicalAidengine.index.datums[i].MedicalAidID;
match = true;
}
};
if (!match) {
currentMedicalAid = '00000000-0000-0000-0000-000000000000';
$(this).val('');
medicalAidList.typeahead('val', ''); // throws error
}
});;
每次我运行这些函数中的任何一个时,我都会得到一个错误:
medicalAidList.typeahead('val', '');
or
$('#medicalAidList').typeahead('val','');
如有任何帮助,将不胜感激
感谢
initialize
方法是异步的。当Bloodhound引擎没有完全初始化时,您的一些代码可能正在运行。您可能需要将代码的其余部分封装在回调中:
// initialize returns a jQuery promise, so we can call its done method
medicalAidengine.initialize().done(function(){
// Rest of your code
})