Autocomplete Arrow Key Scroll
I am making a Ajax driven live search . But now I want to click the dropdown list to fill the html textbox. How can I modify my codes to include a function where the user can scrol
Solution 1:
good news.. after working 3 hours.. i got the solution to ur problem. Checkout the solution. let me know if you have any problems in this solution.I
<!DOCTYPE html>
<html>
<body>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.2.0/jquery.min.js"></script>
<style type="text/css">
ul{
position: absolute;
top: 5px;
left: 36px;
list-style: none;
}
li{
border: 1px solid grey;
width: 202px;
margin: 0px;
}
input{
width:200px;
}
</style>
<script>
function showHint(str){
if(str=="" || !str){
$("ul").empty();
return;
}
$.ajax({
type: "GET",
url: "gethint.php",
data: "q="+str,
success: function(html) {
var names = html.split(",");
var listItems ="";
var dropDown =$("#dropDown");
dropDown.innerHTML="";
$("ul").empty();
names.forEach(name =>{
var li = document.createElement("li");
li.appendChild(document.createTextNode(name));
dropDown.append(li);
$("li").click(function(){
$("#txt1").val($(this).text());
});
});
}
});
}
</script>
<h3>Start typing a name in the input field below:</h3>
<form action="">
<div style="position:relative">
First name: <input type="text" id="txt1" onkeyup="showHint(this.value)">
<ul id="dropDown"></ul>
</div>
</form>
</body>
</html>
This is my php file.
<?php
require("connection.php");
$sql ="SELECT name FROM users";
$a=array();
// OR $a=[];
$result=$conn->query($sql);
if($result->num_rows > 0){
while($row = $result->fetch_assoc()){
$a[]=$row["name"];
//echo $row["name"];
}
}
else{
echo "No data to generate suggestions";
}
// get the q parameter from URL
$q = $_REQUEST["q"];
$hint = "";
// lookup all hints from array if $q is different from ""
if ($q !== "") {
$q = strtolower($q);
$len=strlen($q);
foreach($a as $name) {
if (stristr($q, substr($name, 0, $len))) {
if ($hint === "") {
$hint = $name;
} else {
$hint .= ", $name";
}
}
}
}
?>
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