fix ambiguity issue #3853 by joaquinelio · Pull Request #3854 · javascript-tutorial/en.javascript.info · GitHub | Latest TMZ Celebrity News & Gossip | Watch TMZ Live
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fix ambiguity issue #3853 #3854

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fix ambiguity issue #3853 #3854

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6bc675f
fix ambiguity issue #3853
joaquinelio Jun 16, 2025
bdb28e7
Update article.md
joaquinelio Jun 16, 2025
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2 changes: 1 addition & 1 deletion 1-js/02-first-steps/03-strict-mode/article.md
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Expand Up @@ -4,7 +4,7 @@ For a long time, JavaScript evolved without compatibility issues. New features w

That had the benefit of never breaking existing code. But the downside was that any mistake or an imperfect decision made by JavaScript's creators got stuck in the language forever.

This was the case until 2009 when ECMAScript 5 (ES5) appeared. It added new features to the language and modified some of the existing ones. To keep the old code working, most such modifications are off by default. You need to explicitly enable them with a special directive: `"use strict"`.
This was the case until 2009 when ECMAScript 5 (ES5) appeared. It added new features to the language and modified some of the existing ones. To keep the old code working, most of these new features are off by default. You need to explicitly enable them with a special directive: `"use strict"`.

## "use strict"

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