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JScrewIt Feature Reference

This table lists features available in the most common engines.

Target	Features
Chrome 122+, Edge 122+, Opera 108+	`ARRAY_ITERATOR` `ARROW` `AT` `BARPROP` `DOCUMENT` `ESC_HTML_QUOT` `FLAT` `FROM_CODE_POINT` `FUNCTION_19_LF` `INCR_CHAR` `ITERATOR_HELPER` `LOCALE_INFINITY` `LOCALE_NUMERALS_BN` `LOCALE_NUMERALS_EXT` `NAME` `NO_FF_SRC` (implied by `V8_SRC`) `NO_IE_SRC` (implied by `V8_SRC`) `OBJECT_W_SELF` (implied by `WINDOW`) `REGEXP_STRING_ITERATOR` `RUSSIAN_INFINITY` `SELF` (implied by `OBJECT_W_SELF` and `WINDOW`) `STATUS` `V8_SRC` `WINDOW`
Firefox 90+	`ARRAY_ITERATOR` `ARROW` `AT` `BARPROP` `DOCUMENT` `ESC_HTML_QUOT` `FF_SRC` `FLAT` `FROM_CODE_POINT` `FUNCTION_19_LF` `INCR_CHAR` `ITERATOR_HELPER` (Firefox 131+) `LOCALE_INFINITY` `LOCALE_NUMERALS_BN` `LOCALE_NUMERALS_EXT` `NAME` `NO_IE_SRC` (implied by `FF_SRC`) `NO_V8_SRC` (implied by `FF_SRC`) `OBJECT_ARRAY_ENTRIES_CTOR` (not in Firefox 131+) `OBJECT_W_SELF` (implied by `WINDOW`) `REGEXP_STRING_ITERATOR` `RUSSIAN_INFINITY` `SELF` (implied by `OBJECT_W_SELF` and `WINDOW`) `SHORT_LOCALES` (not in Firefox 134+) `STATUS` `WINDOW`
Internet Explorer 11	`CAPITAL_HTML` `CONSOLE` `DOCUMENT` `FUNCTION_22_LF` `IE_SRC` `INCR_CHAR` `LOCALE_INFINITY` (Internet Explorer 11 on Windows 10) `LOCALE_NUMERALS_BN` (Internet Explorer 11 on Windows 10) `LOCALE_NUMERALS_EXT` (Internet Explorer 11 on Windows 10) `NO_FF_SRC` (implied by `IE_SRC`) `NO_V8_SRC` (implied by `IE_SRC`) `OBJECT_W_SELF` (implied by `WINDOW`) `PLAIN_INTL` `RUSSIAN_INFINITY` (Internet Explorer 11 on Windows 8 and on Windows 10) `SELF` (implied by `OBJECT_W_SELF` and `WINDOW`) `SHORT_LOCALES` `STATUS` `WINDOW`
Safari 17.4+	`ARRAY_ITERATOR` `ARROW` `AT` `BARPROP` `DOCUMENT` `ESC_HTML_QUOT` `FF_SRC` `FLAT` `FROM_CODE_POINT` `FUNCTION_19_LF` `INCR_CHAR` `ITERATOR_HELPER` (Safari 18.4+) `LOCALE_INFINITY` `LOCALE_NUMERALS_BN` (not in Safari 18.4+) `LOCALE_NUMERALS_EXT` `NAME` `NO_IE_SRC` (implied by `FF_SRC`) `NO_V8_SRC` (implied by `FF_SRC`) `OBJECT_ARRAY_ENTRIES_CTOR` (not in Safari 18.4+) `OBJECT_W_SELF` (implied by `WINDOW`) `REGEXP_STRING_ITERATOR` `RUSSIAN_INFINITY` `SELF` (implied by `OBJECT_W_SELF` and `WINDOW`) `SHORT_LOCALES` (not in Safari 18.0+) `STATUS` `WINDOW`
Node.js 20+	`ARRAY_ITERATOR` `ARROW` `AT` `ESC_HTML_QUOT` `FLAT` `FROM_CODE_POINT` `FUNCTION_19_LF` `INCR_CHAR` `ITERATOR_HELPER` (Node.js 22.0+) `LOCALE_INFINITY` `LOCALE_NUMERALS_BN` `LOCALE_NUMERALS_EXT` `NAME` `NO_FF_SRC` (implied by `V8_SRC`) `NO_IE_SRC` (implied by `V8_SRC`) `OBJECT_ARRAY_ENTRIES_CTOR` (not in Node.js 22.0+) `REGEXP_STRING_ITERATOR` `RUSSIAN_INFINITY` `SHORT_LOCALES` (not in Node.js 22.12–22.14 and 23.3+) `V8_SRC`