click, hover, keyup, on and more.
✍️ 3 exercises + code challenge in this lessonAttach event handlers with shortcut methods or .on():
.click(), .dblclick(), .hover().keyup(), .change(), .submit(), .focus().on("click", handler): the general form, which also supports several events at once.$("#list").on("click", "li", handler) works for items added later.Mastering jQuery Events 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>
<input id="name" placeholder="Type...">
<p>Preview: <strong id="preview"></strong></p>
<div id="box" style="width:120px;height:60px;background:#0769AD;color:white;padding:6px">Hover me</div>
<script>
$("#name").on("keyup", function () {
$("#preview").text($(this).val());
});
$("#box").hover(
function () { $(this).css("background", "#14B8A6").text("Hovering!"); },
function () { $(this).css("background", "#0769AD").text("Hover me"); }
);
</script>Check what you learned in “jQuery Events”.
Attach a click handler.
$("#btn").("click", function () { });
Which technique handles events for elements added later?
When #btn is clicked, set the text of #msg to "Clicked". (The check clicks it.)
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