JavaScript
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JavaScript is a script language used in web pages that allows web browsers to alter the content of a web page after it is rendered.
First standardized in 1997 as ECMA-262 and ISO/IEC 16262, JavaScript is one of two languages that comply with the ECMA Standard (Microsoft's JScript being the second, but it does not fully comply). JavaScript was developed as a dynamic, client side scripting language for the Netscape browser. Since that time, JavaScript has continued to develop.
- Concepts
- Events that JavaScript watches for
- Event Handlers to trigger the script
- Objects with properties and methods
- Functions that perform specific tasks
- Variables
- Boolean
- Number
- String
- Array
- Objects
- Object Properties
- Object Methods
- Built-in Objects
- String
- Math
- Date
- Document
- Form
- Window
- Conditional Logic
- Operators
- If-Then
- Case
- Loops
- for ()
- while ()
- Functions
- Event Handlers
- onAbort
- onBlur
- onChange
- onClick
- onError
- onFocus
- onLoad
- onMouseover
- onMouseout
- onSelect
- onSubmit
- onUnload
- Script placement
- Within the <HEAD> tag
- Surrounded by Comment Tags: <!-- and -->
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