JavaScript JSON

JSON【 JavaScript Object Notation】

　　It is a data transmission format widely used for data interaction between web pages and servers.

JSON syntax:　

• Data is key/value pairs.
• Data is separated by commas.
• Curly braces hold objects
• Square brackets hold arrays

Example:

{"sites":[
    {"name":"Runoob", "url":"www.runoob.com"},
    {"name":"Google", "url":"www.google.com"},
    {"name":"Taobao", "url":"www.taobao.com"}
]}

JSON function:

　　1. JSON.parse(txt,reviver) Format the JSON format string into a JavaScript object, and the reviver callback function executes this function for each JavaScript object.

　　2. JSON.stringify(txt,reviver,space), reviver callback function, execute this function for each JavaScript object; space adds spaces and newlines to strings.

 

Reference document: http://www.runoob.com/js/js-json.html