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ECMAScript ⊃ JSON

Category

JavaScript

Type

New or changed feature

Status

Enabled by default (Chrome 66)

Intent stage

None

Summary

A Stage 3 proposal makes ECMAScript a syntactic superset of JSON by allowing line separator (U+2028) and paragraph separator (U+2029) in string literals.

Standards & signals

• Specification: https://github.com/tc39/proposal-json-superset
• Firefox: Positive
• Safari: Shipped/Shipping
• Web developers: Strongly positive
• Tracking bug: https://bugs.chromium.org/p/v8/issues/detail?id=7418

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