Strict mode
Strict mode for an entire script is invoked by including the statement "use strict";
before any other statements.
Strict Mode
JavaScript's strict mode is a way to opt in to a restricted variant of JavaScript, thereby implicitly opting-out of "sloppy mode ". Strict mode isn't just a subset: it intentionally has different semantics from normal code.
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Updated on April 20, 2024 by Datarist.