What are the limitations of JavaScript's strict mode?
An example of an AI chatbot conversation about JavaScript's strict mode limitations.
What are the limitations of JavaScript's strict mode?
Strict mode in JavaScript imposes certain restrictions to help catch common coding errors. For example, it disallows the use of undeclared variables.
Can you give me more examples of what strict mode restricts?
Sure! Strict mode prevents you from using duplicate parameter names in functions and prohibits the use of this in global context.
Does strict mode affect performance?
In some cases, strict mode can improve performance because it allows JavaScript engines to optimize the code better.
Is it possible to enable strict mode for only part of my code?
Yes, you can enable strict mode for individual functions or blocks by adding 'use strict'; at the beginning of those sections.
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