TAILIEUCHUNG - Lecture Introduction to web engineering - Lec 21: JavaScript DOM

After studying this chapter you will be able to understand: Dialog boxes in JavaScript, alert box, prompt box, confirm box, document object model (DOM), retrieving HTML elements, retrieving the text of an element, getting value of attributes, setting value of attributes. | Basharat Mahmood, Department of Computer Science, CIIT, Islamabad, Pakistan 1 What is JavaScript? Embedding JavaScript with HTML JavaScript conventions Variables in JavaScript JavaScript operators Input output in JavaScript JavaScript functions Conditional Statements Looping Statements Basharat Mahmood, Department of Computer Science, CIIT, Islamabad, Pakistan. 2 Dialog boxes in JavaScript HTML Document Object Model (DOM) Basharat Mahmood, Department of Computer Science, CIIT, Islamabad, Pakistan 3 JavaScript provides the ability to pickup user input or display small amounts of text to the user by using dialog boxes These dialog boxes appear as separate windows and their content depends on the information provided by the user An alert box is simply a small message box that pops up and gives the user some information An alert dialog box is mostly used to give a warning message to the users When an alert box pops up, the user will have to click "OK" to proceed Syntax: alert(“message”) .

• Kỹ thuật lập trình
• Web engineering
• Introduction to web engineering
• Web applications
• Web application development
• JavaScript DOM
• Document Object Model
• Categories of web applications
• Web project management
• Requirement engineering
• Requirements specification
• Web application
• Testing web applications
• Web application security
• Web security
• Web development process model
• Development process model
• Project management
• Modeling web applications
• System modeling
• Modeling requirements
• Content modeling
• Navigation modeling
• Web application architecture
• Testing web application
• HTML images
• Web pages
• User registration
• User login
• Lecture Web engineering
• Fundamental concepts
• Web architectures
• Web design
• Web development