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JavaScript Autocompletion

N

newdev

Coder
Hi to all,
I am new there. I am looking for help for an autocompletion script .
I tried to code it but ... it doesn't work šŸ˜¢
Here are my codes
A simple HTML input with an ID
HTML: 
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Autocompletion </title>
    <script src="https://code.jquery.com/jquery-3.6.4.min.js"></script>
</head>
<body>

<label for="search">Search:</label>
<input type="text" id="search" name="search" autocomplete="off">

<div id="search-results"></div>

<script src="script.js"></script>
</body>
</html>

My Ajax / Jquery code
JavaScript: 
$(document).ready(function() {
    $('#search').on('input', function() {
        var query = $(this).val();

        // I check if the input is not empty
        if (query.length > 0) {
            // Ajax request to JSONPlaceholder API
            $.ajax({
                url: 'https://jsonplaceholder.typicode.com/todos',
                type: 'GET',
                data: { title: query },
                success: function(data) {
                    // Display the results in the #search-results div
                    displayResults(data);
                }
            });
        } else {
            // Clear the #search-results div if the input is empty
            $('#search-results').empty();
        }
    });

    function displayResults(results) {
        // Display the results
        $('#search-results').empty();

        results.forEach(function(result) {
            $('#search-results').append('<div>' + result.title + '</div>');
        });
    }
});

Thanks for your precious possible help
Ludo
 
Solution
Johna
Your code is likely working as expected, but are you sure your ajax request is correct?

Sending a GET request in the browser with a given title value (https://jsonplaceholder.typicode.com/todos?title=foobar) returns an empty array.
If I try ?query=foobar rather than ?title=foobar, I get a response:
JSON: 
[
  {
    "userId": 1,
    "id": 1,
    "title": "delectus aut autem",
    "completed": false
  },
  {
    "userId": 1,
    "id": 2,
    "title": "quis ut nam facilis et officia qui",
    "completed": false
  },
  ...
]

Is this maybe what your ajax request should look like?
JavaScript: 
$.ajax({
    url: 'https://jsonplaceholder.typicode.com/todos',
    type: 'GET',
    data: { query: query },
    success: function(data) {...
Sort by date Sort by votes
Your code is likely working as expected, but are you sure your ajax request is correct?

Sending a GET request in the browser with a given title value (https://jsonplaceholder.typicode.com/todos?title=foobar) returns an empty array.
If I try ?query=foobar rather than ?title=foobar, I get a response:
JSON: 
[
  {
    "userId": 1,
    "id": 1,
    "title": "delectus aut autem",
    "completed": false
  },
  {
    "userId": 1,
    "id": 2,
    "title": "quis ut nam facilis et officia qui",
    "completed": false
  },
  ...
]

Is this maybe what your ajax request should look like?
JavaScript: 
$.ajax({
    url: 'https://jsonplaceholder.typicode.com/todos',
    type: 'GET',
    data: { query: query },
    success: function(data) {
        // Display the results in the #search-results div
        displayResults(data);
    }
});
 
Upvote 0 Downvote
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