web-feature: BigInt64Array

baseline logo Widely available

The BigInt64Array and BigUint64Array typed arrays represent 64-bit integers, signed and unsigned respectively.

WKWebView

macOS

*

iOS

*

Android WebView

Android

*

WebView2

Windows

*

WPE MiniBrowser

Linux

2026-08

Servo

Android

2026-08

ArkWeb

HarmonyOS

*

Chrome Browser

Android

67

Safari Browser

iOS

15