Server-side JavaScript, often abbreviated as JS, is a programming language that is one of the core technologies of the World Wide Web, alongside HTML and CSS.
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19 Facts About Server-side JavaScript
2.
Server-side JavaScript is a high-level, often just-in-time compiled language that conforms to the ECMAScript standard.
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3.
Server-side JavaScript engines were originally used only in web browsers, but are now core components of some servers and a variety of applications.
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4.
Choice of the Server-side JavaScript name has caused confusion, implying that it is directly related to Java.
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5.
In 2005, Jesse James Garrett released a white paper in which he coined the term Ajax and described a set of technologies, of which Server-side JavaScript was the backbone, to create web applications where data can be loaded in the background, avoiding the need for full page reloads.
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6.
Current Server-side JavaScript ecosystem has many libraries and frameworks, established programming practices, and substantial usage of Server-side JavaScript outside of web browsers.
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7.
Server-side JavaScript has recently begun to appear in some embedded systems, usually by leveraging Node.
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8.
One partial exception is scoping: originally Server-side JavaScript only had function scoping with var; block scoping was added in ECMAScript 2015 with the keywords let and const.
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9.
Server-side JavaScript is weakly typed, which means certain types are implicitly cast depending on the operation used.
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10.
Server-side JavaScript has received criticism for the way it implements these conversions as the complexity of the rules can be mistaken for inconsistency.
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11.
Server-side JavaScript functions are first-class; a function is considered to be an object.
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12.
Variables in Server-side JavaScript can be defined using either the var, let or const keywords.
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13.
In Server-side JavaScript, objects are usually created by creating an instance of a class.
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14.
Common Server-side JavaScript-related security problem is cross-site scripting, a violation of the same-origin policy.
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15.
In 2015, a Server-side JavaScript-based proof-of-concept implementation of a rowhammer attack was described in a paper by security researchers.
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16.
In 2017, a Server-side JavaScript-based attack via browser was demonstrated that could bypass ASLR.
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17.
Finally, Java did not support functional programming until Java 8, while Server-side JavaScript has done so from the beginning, being influenced by Scheme.
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18.
JSON, or Server-side JavaScript Object Notation, is a general-purpose data interchange format that is defined as a subset of Server-side JavaScript's object literal syntax.
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19.
Server-side JavaScript is the dominant client-side language of the Web, and many websites are script-heavy.
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