Web Reference: Mar 23, 2026 · Strict mode for scripts To invoke strict mode for an entire script, put the exact statement "use strict"; (or 'use strict';) before any other statements. The purpose of "use strict" is to indicate that the code should be executed in "strict mode". With strict mode, you can not, for example, use undeclared variables. Feb 6, 2024 · In this article, you've learned about the strict mode, how to use it, and how it differs from writing JavaScript code in non-strict mode. You've also learned various contexts in JavaScript where strict mode rules are enforced by default.
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Using Javascript Strict Mode Net Worth 2026: Salary, Income & Wealth Net Worth & Biography
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Last Updated: April 6, 2026
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