main content:
◆ Briefly introduce the JavaScript language and the objects processed by JavaScript—properties and methods;
◆ Method to add JavaScript code to HTML document;
◆An example of the most commonly used scenario in JavaScript - validating user input;
◆ JavaScript document object model diagram;
◆ JavaScript string objects and date objects;
◆ Window objects and frame windows (FrameSet, IFrame);
◆ Regular expression pattern matching - verify user input;
◆ Reference JavaScript code: preload images to achieve dynamic changes in navigation buttons;
◆ Reference JavaScript code: display the prompt information of the object;
◆ Reference JavaScript code: exquisite calendar;
◆ Reference JavaScript code: drop-down menu;
◆ Reference JavaScript code: similar to the tree map of the resource manager;
◆Referenceable JavaScript code: a WYSIWYG editor;