1. What is JavaScript? JavaScript is a cross-platform, object-oriented, dynamic, weakly typed, lightweight interpreted language. It is a client-side scripting language that is based on objects and events and is relatively safe. Applied to HTML documents, it can provide dynamic interaction capabilities on the website, which is different from Java. Simply put, it processes HTML documents based on the browser, implements various web page special effects, responds to various user operations, adds dynamic effects to the web page, and improves the user operating experience, such as picture scrolling playback effects, clicking the login button to pop up a dialog box, and moving the mouse in and out. Animation, form submission data validation, etc. 2. Why should you learn JavaScript? JavaScript is often called JS. The purpose of its invention is to serve as a built-in scripting language for browsers, providing web developers with the ability to control browsers. It can make web pages present various special effects and provide users with a friendly interactive experience. . With the emergence of Ajax technology, the front-end can exchange data with the back-end and update page data without refreshing the page. jQue
1. JavaScript learning summary [1] First introduction JS
Introduction: JavaScript is a cross-platform, object-oriented, dynamic, weakly typed and lightweight language. A high-level interpreted language is a client-side scripting language that is object- and event-driven and relatively safe. Applied to HTML documents, it can provide dynamic interaction capabilities on the website, which is different from Java. Simply put, it processes HTML documents based on the browser, implements various web page special effects, responds to various user operations, adds dynamic effects to the web page, and improves the user operating experience, such as picture scrolling playback effects, clicking the login button to pop up a dialog box, and moving the mouse in and out. Animation, form submission data validation, etc.
Introduction: After building the wall, the next thing is the house. In ECMAScript, the object is what we call the house. As for the entire application you write, it is a complete set of buildings
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