jQuery event.which Property
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jQuery event.which Property
The jQuery event.which property returns which keyboard key or mouse button was pressed for the event.
Detecting which Keyboard Key was Pressed
In the following example, we will use keydown() method along with event.which property to detect which keyboard key was pressed.
Example
HTML Editor
<!DOCTYPE html>
<html lang="en-US">
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
</head>
<body>
<h1>jQuery event.which Property</h1>
<input type="text" placeholder="type something">
<p>keydown: <span id="point"></span></p>
<script>
$(document).ready(function(){
$("input").keydown(function(e){
$("#point").text(e.which);
});
});
</script>
</body>
</html>
Syntax
event.which;
Return Value
| Value | Explanation |
|---|---|
| Number | Returns the Unicode character code of the pressed key. |
Detecting which Mouse Button was Pressed
In the following example, we will use mousedown() method along with event.which property to detect which mouse button was pressed.
Example
HTML Editor
<!DOCTYPE html>
<html lang="en-US">
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
</head>
<body>
<h1>jQuery event.which Property</h1>
<p>Click on this paragraph any mouse button (left, right, center).</p>
<p>mousedown: <span id="point"></span></p>
<script>
$(document).ready(function(){
$("p").mousedown(function(e){
$("#point").text(e.which);
});
});
</script>
</body>
</html>
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