Listing existing backend data in HTML input field while typing

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HTML

AngularJs

Hi,i need help for listing already existing data from backend while typing in html input filed.i wrote service for getting backend data .Now i got it in controller as "data"and assign it in vm.tags.i have tried to use uib-typehead for displaying data while typing.but facing problem is that it display only after pressing enter button.please help me.

What I have tried:

my html and angular controller code is given below.


Questions.getQuestionTags(getQnTags);
function getQnTags(data) {
vm.tags = data;
}