toGMTString()Limited availability
The toGMTString() method of Date objects is an alias to the toUTCString() method.
Not yet supported in all major browsers — check the table and provide a fallback.
Discouraged: The method exists "principally for compatibility with old code."
Browser support
DesktopChrome
1+Supportedsince Dec 11, 2008
Current: 155Edge
12+Supportedsince Jul 29, 2015
Current: 154Firefox
1+Supportedsince Nov 9, 2004
Current: 157Safari
1+Supportedsince Jun 23, 2003
Current: 27MobileChrome Android
18+Supportedsince Jun 27, 2012
Current: 155Firefox Android
4+Supportedsince Mar 29, 2011
Current: 157Safari iOS
1+Supportedsince Jun 29, 2007
Current: 27How to use
Support is still inconsistent across browsers. Use feature detection and test carefully.
Example
Full syntax and examples are on MDN: toUTCString.
Feature detection
JS · check before using
if ("toGMTString" in Date || ("prototype" in Date && "toGMTString" in Date.prototype)) {
// Date.toGMTString is available
}