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This article mainly shows you "JavaScript how to avoid using eval () and Function constructors", the content is easy to understand, clear, hope to help you solve your doubts, the following let Xiaobian lead you to study and learn "JavaScript how to avoid the use of eval () and Function constructors" this article.

Avoid using eval () and Function constructors

Using eval and Function constructors is a very expensive operation because each time they call the script engine to convert the source code into executable code.

Var func1 = new Function (functionCode); var func2 = eval (functionCode); that's all of the article "how JavaScript avoids using eval () and Function constructors". Thank you for reading! I believe we all have a certain understanding, hope to share the content to help you, if you want to learn more knowledge, welcome to follow the industry information channel!

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