Using jquery to implement auto-completion effects like Baidu _ jquery

The effect of this article is similar to that of Baidu's search box. when users enter the first few letters or Chinese characters in the text box, this control prompts you all the data starting with these letters from the text that stores the data or in the database for user selection, providing convenience and enhancing the user experience. The newly created index.html file directly copies the following code to the newly created file index.html and accesses it using a browser. it is only used for reference: