| ActiveX | A technology developed by Microsoft to allow components to be created, primarily for windows computers. ActiveX components (controls) can be embedded into web pages. |
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| applet | A Java program designed to be embedded into a web page. |
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| argument | Parameters passed into functions when calling a function. |
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| array | A group of variables referenced to by the same name using an index. |
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| Boolean | A variable which can store two values only; true and false. |
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| concatenate | Adding two strings into a single string. |
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| conditional | A control statement which performs something dependant upon the result of a question. For example, the if statement. |
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| decrement | This is to decrease a variable by 1. JavaScript uses the -- (decrement operator). |
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| debug | Finding of errors or bugs in a program. |
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| element | This is a single member of an array referenced by an index into that array. |
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| event | Something which happens causes an event to occur. Events can be triggered by user actions. |
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| expression | A combination of constants, variables and operators which can be evaluated to a single value. |
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| function | A group of commands which are put into an executable unit. |
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| HTML | HTML (Hypertext Markup Language) is the language used in web documents. JavaScript commands can be included in HTML documents and even embedded into HTML tags. HTML tags are the individual commands in HTML. |
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| increment | This is to increase a variable by 1. JavaScript uses the ++ (increment operator). |
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| interpreter | An interpreter interprets commands. JavaScript has an interpreter which interprets its commands to the browser. |
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| Java | Java is more complex than JavaScript. JavaScript is a script version of Java. A scripting language is used to create small lists of instructions for a single task. Java is a full application development language. JavaScript is the script version of Java. Java can be used to create applets. Applets can be embedded into web pages. |
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| JavaScript | JavaScript is the scripting language version of Java. |
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| loop | A loop is a set or block of statements which are executed a specified number of times. The loop is the control for the number of iterations of that block of statements. |
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| method | A method is a special type of function. A method is stored within an object and acts upon the properties of that object. The method will be stored with the template of the object (class) and will act upon an instance of that class. |
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| Navigator | Another name for the Netscape browser. The Netscape browser was the first browser to support JavaScript. |
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| object | An object is a type of variable which can store the state and possible operations of a real-world object. |
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| operator | A character used to operate on variables and constants in expressions. |
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| parameter | A parameter is an item passed into a function. |
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| property | A property is stored as a part of an object describing a part of a state of an object. |
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| scope | The part of a program in which a variable is available. |
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| statement | A single line of a script or program. |
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| string | A group of text characters which can be stored into a variable.. |
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| variable | A variable is actually an area of memory in your computer which can store an object or a variable value. Some variables store items of information or addresses to other items of information.. |
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| VBScript | VBScript is a scripting language supported by the Internet Explorer only. It was developed by Microsoft and based on the syntax of Visual Basic. |
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