JavaScript is a powerful programming language in the field of Web development, which is mainly used to develop interactive web pages. Most of the interactive logic of web pages browsed on computers, mobile phones and other devices is almost realized by JavaScript.
Make a web page with HTML, CSS and JavaScript representing structure, style and behavior respectively. Structure is the skeleton of a webpage, style is the appearance of the webpage, and behavior is the interactive logic of the webpage. JQuery is a library of JavaScript, which simplifies the complexity of developing special effects on web pages by using JavaScript, and provides automation of common tasks and simplification of complex tasks. Using jQuery can not only reduce the functions that originally required a lot of JavaScript code to a few lines of code, but also provide high-speed performance.
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