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JSFuck can be used to bypass detection of malicious code submitted on websites, e.g. in cross-site scripting (XSS) attacks. [10] Another potential use of JSFuck lies in code obfuscation. An optimized version of JSFuck has been used to encode jQuery, a JavaScript library, into a fully functional version written with just the six characters. [11]
In software development, obfuscation is the practice of creating source or machine code that is intentionally difficult for humans or computers to understand. Similar to obfuscation in natural language , code obfuscation may involve using unnecessarily roundabout ways to write statements.
The goals of minification are not the same as the goals of obfuscation; the former is often intended to be reversed using a pretty-printer [citation needed] or unminifier. However, to achieve its goals, minification sometimes uses techniques also used by obfuscation; for example, shortening variable names and refactoring the source code.
Jscrambler is a technology company mainly known for its JavaScript obfuscator and eponymous monitoring framework. The obfuscator makes it harder to reverse engineer a web application's client-side code and tamper with its integrity.
In 2001, Barak et al., showing that black-box obfuscation is impossible, also proposed the idea of an indistinguishability obfuscator, and constructed an inefficient one. [8] [7] [2] Although this notion seemed relatively weak, Goldwasser and Rothblum (2007) showed that an efficient indistinguishability obfuscator would be a best-possible obfuscator, and any best-possible obfuscator would be ...
Obfuscation is the obscuring of the intended meaning of communication by making the message difficult to understand, usually with confusing and ambiguous language. The obfuscation might be either unintentional or intentional (although intent usually is connoted), and is accomplished with circumlocution (talking around the subject), the use of jargon (technical language of a profession), and ...
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Developers can use new JavaScript language features by using Babel to convert their source code into versions of JavaScript that a Web browser can process. [5] Babel can also be used to compile TypeScript into JavaScript. [6] The core version of Babel was downloaded 5 million times a month in 2016, and this increased to 16 million times a week ...