JavaScript ArrayBuffer.isView()

Javascript Front End Technology Object Oriented Programming

The ArrayBuffer.isView() method tells us if the passed parameter value is an ArrayBuffer view or not.

Following is the code for ArrayBuffer.isView() method −

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;
}
.sample {
   font-size: 20px;
   font-weight: 500;
}
</style>
</head>
<body>
<h1>JavaScript ArrayBuffer.byteLength property</h1>
<div class="sample"></div>
<button class="Btn">CLICK HERE</button>
<h3>Click on the above button to check the above value is array buffer view or not</h3>
<script>
let fillEle = document.querySelector(".sample");
var buffer = new ArrayBuffer(8);
var view1 = new DataView(buffer);
view1.setInt16(0, 0x2721);
fillEle.innerHTML = view1.getInt16(0).toString(16);
document.querySelector(".Btn").addEventListener("click", () => {
   fillEle.innerHTML =
   "The view1 is array buffer view: " + ArrayBuffer.isView(view1);
});
</script>
</body>
</html>

Output

On clicking the “CLICK HERE” button −

AmitDiwan

Updated on: 06-May-2020

143 Views

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