Essentials of Javascript - Cultural View
Essentials of Javascript - Cultural View Essentials of Javascript - Cultural View
JavascriptMVC 97 "other.event subscribe": function(ev, publisherData){ } }); View // TODO: do something JavaScriptMVC uses EJS templates to render HTML data in controllers and inject them into the DOM. The syntax was inspired by ERuby and is similar to PHP or other server-side template engines. For example file "test.ejs" ( data = [ "Hello", "World" ] ):
JSON 98 JSON Filename extension .json Internet media type application/json Type of format Data interchange Extended from JavaScript Standard(s) RFC 4627 Website http://json.org JSON (an acronym for JavaScript Object Notation) is a lightweight text-based open standard designed for human-readable data interchange. It is derived from the JavaScript programming language for representing simple data structures and associative arrays, called objects. Despite its relationship to JavaScript, it is language-independent, with parsers available for virtually every programming language. The JSON format was originally specified by Douglas Crockford, and is described in RFC 4627. The official Internet media type for JSON is application/json. The JSON filename extension is .json. The JSON format is often used for serializing and transmitting structured data over a network connection. It is primarily used to transmit data between a server and web application, serving as an alternative to XML. History Douglas Crockford was the first to specify and popularize the JSON format. [1] JSON was used at State Software, a company co-founded by Crockford, starting around 2001. The JSON.org website was launched in 2002. In December 2005, Yahoo! began offering some of its web services in JSON. [2] Google started offering JSON feeds for its GData web protocol in December 2006. [3] Although JSON was based on a subset of the JavaScript programming language (specifically, Standard ECMA-262 3rd Edition—December 1999 [4] ) and is commonly used with that language, it is considered to be a language-independent data format. Code for parsing and generating JSON data is readily available for a large variety of programming languages. json.org [5] provides a comprehensive listing of existing JSON libraries, organized by language. Data types, syntax and example JSON's basic types are: • Number (integer or real) • String (double-quoted Unicode with backslash escaping) • Boolean (true or false) • Array (an ordered sequence of values, comma-separated and enclosed in square brackets) • Object (a collection of key:value pairs, comma-separated and enclosed in curly braces) • null The following example shows the JSON representation of an object that describes a person. The object has string fields for first name and last name, contains an object representing the person's address, and contains a list (an array) of phone number objects.
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JSON 98<br />
JSON<br />
Filename extension .json<br />
Internet media<br />
type<br />
application/json<br />
Type <strong>of</strong> format Data<br />
interchange<br />
Extended from JavaScript<br />
Standard(s) RFC 4627<br />
Website http://json.org<br />
JSON (an acronym for JavaScript Object Notation) is a lightweight text-based open standard designed for<br />
human-readable data interchange. It is derived from the JavaScript programming language for representing simple<br />
data structures and associative arrays, called objects. Despite its relationship to JavaScript, it is<br />
language-independent, with parsers available for virtually every programming language.<br />
The JSON format was originally specified by Douglas Crockford, and is described in RFC 4627. The <strong>of</strong>ficial<br />
Internet media type for JSON is application/json. The JSON filename extension is .json.<br />
The JSON format is <strong>of</strong>ten used for serializing and transmitting structured data over a network connection. It is<br />
primarily used to transmit data between a server and web application, serving as an alternative to XML.<br />
History<br />
Douglas Crockford was the first to specify and popularize the JSON format. [1]<br />
JSON was used at State S<strong>of</strong>tware, a company co-founded by Crockford, starting around 2001. The JSON.org<br />
website was launched in 2002. In December 2005, Yahoo! began <strong>of</strong>fering some <strong>of</strong> its web services in JSON. [2]<br />
Google started <strong>of</strong>fering JSON feeds for its GData web protocol in December 2006. [3]<br />
Although JSON was based on a subset <strong>of</strong> the JavaScript programming language (specifically, Standard ECMA-262<br />
3rd Edition—December 1999 [4] ) and is commonly used with that language, it is considered to be a<br />
language-independent data format. Code for parsing and generating JSON data is readily available for a large variety<br />
<strong>of</strong> programming languages. json.org [5] provides a comprehensive listing <strong>of</strong> existing JSON libraries, organized by<br />
language.<br />
Data types, syntax and example<br />
JSON's basic types are:<br />
• Number (integer or real)<br />
• String (double-quoted Unicode with backslash escaping)<br />
• Boolean (true or false)<br />
• Array (an ordered sequence <strong>of</strong> values, comma-separated and enclosed in square brackets)<br />
• Object (a collection <strong>of</strong> key:value pairs, comma-separated and enclosed in curly braces)<br />
• null<br />
The following example shows the JSON representation <strong>of</strong> an object that describes a person. The object has string<br />
fields for first name and last name, contains an object representing the person's address, and contains a list (an array)<br />
<strong>of</strong> phone number objects.
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