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A "Hello, World!" program is generally a simple computer program which emits (or displays) to the screen (often the console) a message similar to "Hello, World!" while ignoring any user input. A small piece of code in most general-purpose programming languages, this program is used to illustrate a language's basic syntax.
JavaScript. JavaScript ( / ˈdʒɑːvəskrɪpt / ), often abbreviated as JS, is a programming language and core technology of the Web, alongside HTML and CSS. 99% of websites use JavaScript on the client side for webpage behavior. [ 10] Web browsers have a dedicated JavaScript engine that executes the client code.
Code injection is a class of computer security exploits in which a vulnerable computer program is tricked into misinterpreting external data as part of its code. An attacker thereby introduces (or "injects") code into the program and changes the course of its execution. The result of successful code injection can be disastrous, for example, by ...
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There are JavaScript libraries that allow to write command line applications in browser as standalone Web apps or as part of bigger application. [49] An example of such a website is the CLI interface to DuckDuckGo. [50] There are also Web-based SSH applications, that allow to give access to server command line interface from a browser.
The syntax of JavaScript is the set of rules that define a correctly structured JavaScript program. The examples below make use of the log function of the console object present in most browsers for standard text output . The JavaScript standard library lacks an official standard text output function (with the exception of document.write ).
curses (programming library) curses is a terminal control library for Unix-like systems, enabling the construction of text user interface (TUI) applications. The name is a pun on the term " cursor optimization". It is a library of functions that manage an application's display on character-cell terminals (e.g., VT100 ).
Prints a message to the screen. KTHXBYE: Just as HAI introduces the program, KTHXBYE (which is "K," "THX," and "Bye" all strung together, meaning "OK, thanks, bye") terminates it. BTW [MESSAGE] To write a single line comment in LOLCODE, you use the BTW keyword. Comments are ignored by the compiler and are written for better understanding of the ...