What is strict mode in JavaScript and how do I use it?
An example of an AI chatbot conversation about using strict mode in JavaScript.
What is strict mode in JavaScript and how do I use it?
Strict mode is a way to opt in to a restricted variant of JavaScript. It helps catch common coding errors and 'unsafe' actions such as defining global variables unintentionally.
How do I enable strict mode in my JavaScript code?
You can enable strict mode by adding the string 'use strict'; at the beginning of your JavaScript file or function.
Are there any benefits to using strict mode?
Yes, strict mode helps you write cleaner code by preventing the use of certain features that are considered problematic, and it can also improve performance in some cases.
Can I use strict mode in just a single function?
Absolutely! You can enable strict mode for individual functions by placing 'use strict'; at the top of the function body.
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