click and dblclick
click and dblclick: free step-by-step lesson with examples, common mistakes, and interview tips — part of jQuery Tutorial on Toolliyo Academy.
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jQuery Tutorial · Lesson 21 of 100
click and dblclick
Setup & DOM ✓ → Events Effects AJAX → Perf & Integrate → Ship & Projects
Events Effects AJAX · 2 — Interact · ~6 min · Events
What is this?
click fires on a single press; dblclick fires on a double press. Prefer .on("click", handler) over the old .click(handler) shorthand when you need namespaces or delegation later.
Why should you care?
QueryVerse toolbars mix single-click actions with occasional double-click-to-edit patterns on dense grids.
See it live — copy this example
Examples include the jQuery 3.7 CDN. Paste into an HTML file or use Run Example to preview.
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>QueryVerse</title>
<style>
body { font-family: system-ui, sans-serif; margin: 1.25rem; }
.box { padding: .75rem; border: 1px solid #ccc; border-radius: 8px; margin: .5rem 0; }
.muted { color: #666; }
button { margin-right: .35rem; margin-top: .35rem; }
input, select, textarea { margin: .25rem 0; }
table { border-collapse: collapse; width: 100%; }
th, td { border: 1px solid #ddd; padding: .4rem .55rem; text-align: left; }
.hidden { display: none; }
.row-odd { background: #f7f7f7; }
.active { font-weight: 700; }
.toast { background: #111; color: #fff; padding: .5rem .75rem; border-radius: 6px; }
</style>
</head>
<body>
<div id="card" class="box">Employee card — click or double-click</div>
<p id="out" class="muted"></p>
<script src="https://code.jquery.com/jquery-3.7.1.min.js"></script>
<script>
$(function () {
$('#card').on('click', function () {
$('#out').text('click @ ' + new Date().toLocaleTimeString());
});
$('#card').on('dblclick', function () {
$('#out').text('dblclick — edit mode');
$(this).attr('contenteditable', 'true').focus();
});
});
</script>
</body>
</html>
Run Example »
Edit the code below and click Run to see the result in Toolliyo’s live editor.
What happened?
- A dblclick also generates click events — design UI so single-click is safe if a double follows.
- Stop using inline onclick attributes in your page.
Practice next
- Single-click and watch the timestamp.
- Double-click and enter edit mode.
- Blur the card and set contenteditable false.
- Add e.detail logging if available.
- Use .one("dblclick") for a single edit unlock.
Remember
click = one press. dblclick = two presses. Prefer .on for consistency.
Grid cell edit
A TCS internal staffing QueryVerse grid opens inline edit only on double-click.
Outcome: Single-click selects; double-click starts edit without accidental saves.
Interview prep for this lesson
Practice these questions aloud after reading—each links to a full structured answer.
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