JavaScript is a scripting language most often used for client-side web development. JavaScript is a scripting language most often used for client-side web development

JavaScript is a scripting language most often used for client-side web development.

• JavaScript is a scripting language most often used for client-side web development.

• JavaScript is an implementation of the ECMAScript standard.

• The ECMAScript only defines the syntax/characteristics of the language and a basic set of commonly used objects such as Number, Date, Regular Expression, etc.

• The JavaScript supported in the browsers typically support additional objects.

• e.g., Window, Frame, Form, DOM object, etc.

Different brands or/and different versions of browsers may support different implementation of JavaScript.

• Different brands or/and different versions of browsers may support different implementation of JavaScript.

• They are not fully compatible

• JScript is the Microsoft version of JavaScript.

To create interactive user interface in a web page (e.g., menu, pop-up alert, windows, etc.)

• To create interactive user interface in a web page (e.g., menu, pop-up alert, windows, etc.)

• Manipulating web content dynamically

• Change the content and style of an element
• Replace images on a page without page reload
• Hide/Show contents

• Generate HTML contents on the fly

• Form validation

• AJAX (e.g. Google complete)

• etc.

JavaScript Tutorials

• JavaScript Tutorials

• http://www.w3schools.com/
• Some examples from W3Schools
• JavaScript Examples
• JavaScript Object Examples
• JavaScript HTML DOM Examples

• JavaScript DHTML GUI Components

• http://www.java2s.com/Code/JavaScript/GUI-Components/CatalogGUI-Components.htm

• EditGrid

• http://www.editgrid.com/

• First JavaScript Page

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  Use the src attribute to include JavaScript codes from an external file.

  • Use the src attribute to include JavaScript codes from an external file.

  • The included code is inserted in place.

  
  
  

  The scripts inside an HTML document is interpreted in the order they appear in the document.

  • The scripts inside an HTML document is interpreted in the order they appear in the document.

  • Scripts in a function is interpreted when the function is called.

  • So where you place the