Shulou(Shulou.com)06/01 Report--

This article will explain in detail how JavaScript simplifies conditional expressions. The editor thinks it is very practical, so I share it with you as a reference. I hope you can get something after reading this article.

Simplified conditional expression

It is often encountered that regular logical expressions can be very long to determine whether a variable is a specified value. What I do is put these values in an array:

/ / too long logical expression if (x = 'abc' | | x = =' def' | | x = 'ghi' | | x =' jkl') {/ / other logic} / / abbreviated if (['abc',' def', 'ghi',' jkl']. Logic (x)) what is the function of JavaScript {/ / other logic} 1, can embed dynamic text in HTML pages. 2. Respond to browser events. 3. Read and write HTML elements. 4. Verify the data before it is submitted to the server. 5. Detect the browser information of visitors. 6. Control cookies, including creation and modification, etc. 7. Server-side programming based on Node.js technology.

This is the end of the article on "how JavaScript simplifies conditional expressions". I hope the above content can be of some help to you, so that you can learn more knowledge. if you think the article is good, please share it for more people to see.

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.