JS 2027
The supplied navigation points at a future edition label. Do not treat a year heading as proof that a proposal is final or available in every browser.
Where to run this
This example uses the JavaScript console playground. Select Run to execute it; the example does not run on this lesson page.
A practical example
console.log("Check the published ECMAScript specification and browser support before requiring a new feature.");
What happens
The reminder separates specification status from deployment support.