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This article mainly introduces "how to use javascript keywords". In daily operation, I believe many people have doubts about how to use javascript keywords. The editor consulted all kinds of materials and sorted out simple and easy-to-use operation methods. I hope it will be helpful for you to answer the doubts about "how to use javascript keywords"! Next, please follow the editor to study!

Keywords are: break, delete, if, this, while, case, do, in, throw, with, catch, else, instanceof, try, continue, finally, new, typeof, for, return and so on.

The operating environment of this tutorial: windows7 system, javascript1.8.5 version, Dell G3 computer.

The Javascript keyword (Keyword) refers to those words that have a specific meaning in the Javascript language and become part of the Java syntax. They are a set of names (or commands) used within the JavaScript language.

JavaScript keyword breakdeleteifthiswhilecasedointhrowwithcatchelseinstanceoftry

Continuefinallynewtypeof

Debugger (new to ECMAScript 5) forreturnvar

Defaultfunctionswitchvoid

The Javascript keyword cannot be used as variable and function names. Using the Javascript keyword as the variable name or function name will cause Javascript to have compilation errors during loading.

Keywords in js can be used to indicate the beginning or end of a control statement, or to perform specific actions, and so on. According to the rules, keywords are also language-reserved and cannot be used as identifiers.

At this point, the study on "how to use the keywords of javascript" is over. I hope to be able to solve your doubts. The collocation of theory and practice can better help you learn, go and try it! If you want to continue to learn more related knowledge, please continue to follow the website, the editor will continue to work hard to bring you more practical articles!

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