Github: https://github.com/Furkan-Gulsen/HTML-CSS-JAVASCRIPT/tree/master/Quick%20Autocomplete
HTML
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" >
<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js"></script>
<link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.8.2/css/all.css">
<link rel="stylesheet" href="./css/style.css">
<title>Quick Autocomplete</title>
</head>
<body>
<div class="container mt-5">
<div class="row">
<div class="col-md-6 m-auto">
<h3 class="text-center mb-3">
<i class="fas fa-flag-usa"></i>State Capital Lookp
</h3>
<div class="form-group">
<input type="text" id="search" class="form-control form-control-lg"
placeholder="Enter state name or abbreviation" autocomplete="off"/>
</div>
<div id="match-list"></div>
</div>
</div>
</div>
<script src="./js/main.js"></script>
</body>
</html>JS
const search = document.getElementById("search");
const matchList = document.getElementById("match-list");
const searchStates = async searchText => {
const res = await fetch("https://raw.githubusercontent.com/Furkan-Gulsen/HTML-CSS-JAVASCRIPT/master/Quick%20Autocomplete/data/states.json");
const states = await res.json();
let matches = states.filter(state => {
const regex = new RegExp(`^${searchText}`,"gi");
return state.name.match(regex) || state.abbr.match(regex);
})
if(searchText.length === 0){
matches = [];
matchList.innerHTML = "";
}
outputHtml(matches);
}
const outputHtml = matches => {
if(matches.length >0){
const html = matches.map(match =>
` <div class="card card-body mb-1">
<h4>${match.name} (${match.abbr})
<span class="text-prim">${match.capital}</span>
<small>Lat: ${match.lat} \ Long: ${match.long}</small>
</h4>
</div>`
).join("")
matchList.innerHTML = html;
}
}
search.addEventListener("input", () => searchStates(search.value));
TrueCodes 
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