JS sample code to implement automatic matching function of imitating Baidu input box_javascript skills

Many websites now have this effect. Enter a character in the text box, and the matching content will appear below. This code demonstrates how this function is completed. Of course, this is static. You can change the prompt The content is read from the database, which requires the use of AJAX.

Copy code The code is as follows:

请在输入框输入一个字母：