web-feature: Logical assignments

baseline logo Widely available

The logical AND assignment (&&=) and the logical OR assignment (||=) operators short-circuit the respective binary logical operators.

WKWebView

macOS

*

iOS

*

Android WebView

Android

*

WebView2

Windows

*

WPE MiniBrowser

Linux

2026-06

Servo

Android

2026-06

Chrome Browser

Android

85

Safari Browser

iOS

14

Notes

Support data provided by: BCD logo

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This feature was last updated on June 13, 2026.