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Strict mode

Strict mode: The Good Parts of JavaScript and the Web
Strict mode: The Good Parts of JavaScript and the Web

Strict mode was added to ES5 as a way to repair parts of the JavaScript language through an opt-in approach. By adding ‘use strict’ to the top of a file or function, strict mode will be enabled. Doug shares a number of the rules enforced in strict mode and concludes his discussion on ES5 with a few resources and audience questions.

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Skill Level Intermediate
10h 54m
Duration
49,471
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Skills covered in this course
Web Web Development JavaScript

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