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Explain touch events in JavaScript
The touch events in JavaScript are fired when a user interacts with a touchscreen device.
Following are the pointer event properties
| Event | Description |
|---|---|
| touchstart. | It is fired when the touch point is placed on the touch surface. |
| touchmove | It is fired when the touch point is moved along the touch surface. |
| touchend | It is fired when the touch point is removed from the touch surface. |
| touchcancel | It is fired when the touch point has been disrupted |
Following is the code for touch events in JavaScript −
Example
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Document</title>
<style>
body {
font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}
.result,
.sample {
font-size: 18px;
color: blueviolet;
font-weight: 500;
}
.sample {
color: red;
}
</style>
</head>
<body>
<h1>Touch events in JavaScript</h1>
<div class="sample">Here is some sample text to touch</div>
<div class="result"></div>
<h3>Touch on the above paragraph to make output in the below paragraph visible</h3>
<script>
let resEle = document.querySelector(".result");
let sampleEle = document.querySelector(".sample");
sampleEle.addEventListener("touchstart", () => {
resEle.innerHTML = "Touch start event has been triggered";
});
</script>
</body>
</html>The above code will produce the following output −
Output
On touching the paragraph −
Updated on: 16-Jul-2020
4K+ Views
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