parent, children, find, siblings and each.
✍️ 3 exercises + code challenge in this lessonTraversing moves from one element to related elements:
.parent(), .parents(), .closest(selector).children(), .find(selector).siblings(), .next(), .prev().first(), .last(), .eq(i), .filter().each(function (i, el) { }) loops over matched elements.Mastering jQuery Traversing 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>
<div class="card" style="border:1px solid #CBD5E1;padding:10px;margin-bottom:8px">
<h4>Laptop</h4><button class="buy">Buy</button>
</div>
<div class="card" style="border:1px solid #CBD5E1;padding:10px">
<h4>Monitor</h4><button class="buy">Buy</button>
</div>
<p id="log"></p>
<script>
$(".buy").click(function () {
const card = $(this).closest(".card");
card.css("background", "#DCFCE7").siblings(".card").css("background", "");
$("#log").text("Added " + card.find("h4").text() + " to cart");
});
$("h4").each(function (i) { $(this).prepend((i + 1) + ". "); });
</script>Check what you learned in “jQuery Traversing”.
Find the nearest ancestor with the class "card".
$(this).(".card")
Which method selects all siblings of an element?
Add the class "found" to every <span> inside #wrap using .find().
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