Use of the jquery param () method

The Jquery.param () function is used to serialize a JS array or object into a string value, serialize the jquery object to a URL parameter according to Name/value or Key/value, and connect with &. For use in URL query strings or AJAX requests.

Grammar

$.param (Object,trad)

Parameter description

Object: Required. Specifies the array or object to serialize.

Trad: Optional. A Boolean value that specifies whether to use the traditional style of parameter serialization.

Instance

Var v1 = $.param ( true ); //  "" Var v2 = $.param ( 100  ); //  "" Var v3 = $.param ( 12.34 ); //  "" var v4 =  $.param (  ""  ); //  "" Var v5 = $.param ( function () { return  18; } ); //  "" Var v6 = $.param ( /\\d+/ ); //  "" Var v7 = $.param ( new date ()  ); //  "" Var v8 = $.param (  null ); //  error Var v9 = $.param ( undefined ); //  error//   string will be treated as a character array var v10 = $.param (  "name"  ); //  "0=n&1=a&2=m &3=e "Var v11 = $.param ( { name:" Codeplayer ", age:18 } );  //   "name=codeplayer&age=18" var array = [    { name:  "name" , value:  "Zhang San"  },    { name:  "Age", value: 18, extra:  "ignore this attribute"  },     { name:  "Grade"  }, //  without the Value property, the value is undefined and will be converted to an empty string ""      { name:  "OrderId",  value: 2 },    { name:   "OrderId",  value: 3 },];var v12 = $.param ( array );  //   "name=%e5%bc%a0%e4%b8%89&age=18&grade=&orderid=2&orderid=3"// jquery each element of an array as an object, and call its name and Value property//  because these elements do not have the Name property, so for undefined, and to be converted to the string "undefined"//  because these elements do not have the Value property, so for undefined, and is converted to an empty string "" Var v13 = $.param ( [  "name", 2, 3 ] ); //  " Undefined=&undefined=&undefined= "

Reference: jquery param method http://www.studyofnet.com/news/933.html

Use of the jquery param () method