ArrayBuffer.isView() 메소드는 전달된 매개변수 값이 ArrayBuffer 뷰인지 아닌지를 알려줍니다.
다음은 ArrayBuffer.isView() 메서드에 대한 코드입니다. -
예시
<!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>
출력
"여기를 클릭" 버튼을 클릭하면 -