Load data with $.get, $.getJSON and $.ajax.
✍️ 3 exercises + code challenge in this lessonjQuery simplifies AJAX (loading data without reloading the page):
$.get(url, callback)$.getJSON(url, callback)$.post(url, data, callback)$.ajax({ url, method, data, success, error }): full control$("#box").load("page.html"): load HTML into an elementMastering jQuery AJAX helps you write clean and reliable jQuery code. Follow standard conventions, test edge cases, and keep logic simple. Try running the code example below and complete the exercises to build confidence.
<script src="https://code.jquery.com/jquery-3.7.1.min.js"></script>
<button id="load">Load posts</button>
<ul id="posts"></ul>
<script>
$("#load").click(function () {
$("#posts").html("<li>Loading...</li>");
$.getJSON("https://jsonplaceholder.typicode.com/posts?_limit=4")
.done(function (posts) {
$("#posts").empty();
$.each(posts, function (i, post) {
$("#posts").append($("<li>").text(post.title));
});
})
.fail(function () {
$("#posts").html("<li>Could not load posts.</li>");
});
});
</script>Check what you learned in “jQuery AJAX”.
Load JSON from a URL.
$.("/api/posts", function (data) { });
What does AJAX let you do?
Load https://jsonplaceholder.typicode.com/users/1 with $.getJSON and put the user's name in #name.
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