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JavaScript 1.5 - Lab 8

Lab 8: Event Handling Trong phòng thí nghiệm này, bạn sẽ tìm hiểu làm thế nào để thêm các chức năng tiện lợi đơn giản thành một ứng dụng bằng các sự kiện kết hợp. Để hoàn thành phòng thí nghiệm, bạn sẽ cần phải làm việc thông qua hai bài tập: chuột Đánh chặn Tiêu đề Thông tin di động Mỗi tập thể dục bao gồm một-Mục tiêu ‖ phần mô tả mục đích của tập thể dục. Bạn được khuyến khích để cố gắng hoàn thành bài tập từ thông tin được đưa ra trong phần Mục tiêu. Nếu bạn cần thêm thông tin. | Lab 8 Event Handling Lab 8 Event Handling TIP Because this lab includes a great deal of typed code we ve tried to make it simpler for you. You will find all the code in SpreadSheet.html SpreadSheet.js and SpreadSheet.css in the same directory as the sample project. To avoid typing the code you can cut paste it from the source files instead. Feb 19 2008 3 29PM Dao Dung dungdq@edt.com.vn For productevaluation only- nOt for distribution or commercial use. JavaScript 1.5 Copyright 2003 by Application Developers Training Company All rights reserved. Reproduction is strictly prohibited. Lab 8 Overview Lab 8 Overview In this lab you will learn how to add simple convenience functionality into an application by incorporating events. To complete this lab you will need to work through two exercises Mouse Interception Title Cell Info Each exercise includes an Objective section that describes the purpose of the exercise. You are encouraged to try to complete the exercise from the information given in the Objective section. If you require more information to complete the exercise the Objective section is followed by detailed step-by-step instructions. Feb 19 2008 3 29PM Dao Dung dungdq@edt.com.vn For productvevaluation only- nOt for distribution or commercial use. Copyright 2003 by Application Developers Training Company All rights reserved. Reproduction is strictly prohibited. 8-31 Lab 8 Event Handling Mouse Interception Objective In this exercise you ll create the guts of your simple mouse listener event. The application in question is the provided spreadsheet application SpreadSheet.html and SpreadSheetjs. Feel free to browse through and see how the entire application operates. The goal of this exercise is to create a mouseover listener on the form so that the current cell that the mouse pointer is over reports its name to the status bar. Things to Consider You will want to use functions to separate this new functionality from the already functioning code. Event handlers .