Getting started with JQuery -- selector for line-changing

1. The JQuery selector inherits some of the CSS and path speech syntaxes and allows you to quickly and accurately select DOM elements by Tag Name, attribute name, and content. 2. Compared with JavaScript, JQuery selector has the advantage of simple code and perfect detection mechanism. 3. Use the JQuery selector to implement... syntaxHighlighter. 1. The JQuery selector inherits some of the CSS and path speech syntaxes and allows you to quickly and accurately select DOM elements by Tag Name, attribute name, and content. 2. Compared with JavaScript, JQuery selector has the advantage of simple code and perfect detection mechanism. 3. Use the JQuery selector to change the color of the line. The sample code is as follows:  Use JQuery to change the color of the line