5 lines
355 B
Markdown
5 lines
355 B
Markdown
### Strict mode
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JavaScript's strict mode is a JavaScript feature that allows developers to use a more restrictive variant of JavaScript and it can be enabled by adding `'use strict';` at the very top of their code.
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Strict mode elimiated some silent errors, might improve performance and changes the behavior or `eval` and `arguments` among other things.
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